2998 lines
113 KiB
C#
2998 lines
113 KiB
C#
using Microsoft.Office.Interop.PowerPoint;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading;
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using System.Timers;
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using Timer = System.Timers.Timer;
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namespace Ink_Canvas.Helpers
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{
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public class ROTPPTManager : IPPTLinkManager
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{
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#region Events
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public event Action<object> SlideShowBegin;
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public event Action<object> SlideShowNextSlide;
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public event Action<object> SlideShowEnd;
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public event Action<object> PresentationOpen;
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public event Action<object> PresentationClose;
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public event Action<bool> PPTConnectionChanged;
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public event Action<bool> SlideShowStateChanged;
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#endregion
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#region Properties
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public dynamic PPTApplication { get; private set; }
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public dynamic CurrentPresentation { get; private set; }
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public dynamic CurrentSlides { get; private set; }
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public dynamic CurrentSlide { get; private set; }
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public int SlidesCount { get; private set; }
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private volatile bool _cachedIsConnected;
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private volatile bool _cachedIsInSlideShow;
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public bool IsConnected => _cachedIsConnected && PPTApplication != null;
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public bool IsInSlideShow => _cachedIsInSlideShow && _pptSlideShowWindow != null;
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public bool IsSupportWPS { get; set; } = false;
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public bool SkipAnimationsWhenNavigating { get; set; } = false;
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#endregion
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#region Private Fields
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private Thread _monitoringThread;
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private bool _shouldStop = false;
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private readonly object _monitoringLock = new object();
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private Timer _wpsProcessCheckTimer;
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private Process _wpsProcess;
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private bool _isModuleUnloading = false;
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private bool _hasWpsProcessId;
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private DateTime _wpsProcessRecordTime = DateTime.MinValue;
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private int _wpsProcessCheckCount;
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private WpsWindowInfo _lastForegroundWpsWindow;
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private DateTime _lastWindowCheckTime = DateTime.MinValue;
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private bool _lastSlideShowState;
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private readonly object _lockObject = new object();
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private bool _disposed;
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private dynamic _pptActivePresentation;
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private dynamic _pptSlideShowWindow;
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private int _polling = 0;
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private bool _forcePolling = true;
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private bool _bindingEvents = false;
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private DateTime _updateTime;
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private int _lastPolledSlideNumber = -1;
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private int _reconnectFailureCount = 0;
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private DateTime _nextReconnectAttemptUtc = DateTime.MinValue;
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#endregion
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#region Constructor & Initialization
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public ROTPPTManager()
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{
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}
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public void StartMonitoring()
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{
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if (_disposed) return;
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lock (_monitoringLock)
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{
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if (_monitoringThread != null && _monitoringThread.IsAlive)
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{
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return;
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}
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_shouldStop = false;
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_monitoringThread = new Thread(PptComService)
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{
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IsBackground = true,
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Name = "PPTMonitoringThread"
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};
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_monitoringThread.Start();
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}
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}
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public void StopMonitoring()
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{
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lock (_monitoringLock)
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{
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_shouldStop = true;
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if (_monitoringThread != null && _monitoringThread.IsAlive)
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{
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// 等待线程退出，最多等待2秒
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if (!_monitoringThread.Join(2000))
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{
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LogHelper.WriteLogToFile("等待监控线程退出超时", LogHelper.LogType.Warning);
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}
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}
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DisconnectFromPPT();
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}
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}
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private int _isReloading; // 0 = idle, 1 = in reload
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private volatile bool _suppressDisconnectEvent;
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public void ReloadConnection()
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{
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if (_disposed) return;
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if (Interlocked.CompareExchange(ref _isReloading, 1, 0) != 0)
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{
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return;
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}
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try
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{
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LogHelper.WriteLogToFile("[ROT] 执行热重载：强制断开并重新连接", LogHelper.LogType.Event);
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lock (_monitoringLock)
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{
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_shouldStop = true;
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if (_monitoringThread != null && _monitoringThread.IsAlive)
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{
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if (!_monitoringThread.Join(2000))
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{
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LogHelper.WriteLogToFile("等待监控线程退出超时（热重载）", LogHelper.LogType.Warning);
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}
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}
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_suppressDisconnectEvent = true;
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try
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{
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DisconnectFromPPT();
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}
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finally
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{
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_suppressDisconnectEvent = false;
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}
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_monitoringThread = null;
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_shouldStop = false;
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_isModuleUnloading = false;
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}
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StartMonitoring();
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}
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finally
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{
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Interlocked.Exchange(ref _isReloading, 0);
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}
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}
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#endregion
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#region Connection Management
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private void PptComService()
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{
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_bindingEvents = false;
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_lastPolledSlideNumber = -1;
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_polling = 0;
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int tempTotalPage = -1;
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try
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{
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while (!_shouldStop && !_isModuleUnloading)
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{
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object bestApp = PPTROTConnectionHelper.GetAnyActivePowerPoint(PPTApplication, out int bestPriority, out int targetPriority);
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bool needRebind = false;
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if (bestApp == null)
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{
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var appFallback = TryConnectToPowerPoint();
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if (appFallback != null)
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{
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bestApp = appFallback;
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bestPriority = 1;
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}
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}
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if (PPTApplication == null && bestApp != null)
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{
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needRebind = true;
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}
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else if (PPTApplication != null && bestApp != null && bestPriority > targetPriority)
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{
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if (!PPTROTConnectionHelper.AreComObjectsEqual(PPTApplication, bestApp))
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{
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needRebind = true;
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}
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}
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if (needRebind)
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{
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bool wait = (PPTApplication != null);
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DisconnectFromPPT();
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if (bestApp != null)
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{
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if (wait) Thread.Sleep(1000);
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try
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{
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ConnectToPPT(bestApp);
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}
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catch (Exception ex)
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{
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LogHelper.WriteLogToFile($"绑定失败: {ex.Message}", LogHelper.LogType.Warning);
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DisconnectFromPPT();
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}
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}
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}
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else
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{
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if (bestApp != null && (PPTApplication == null || !PPTROTConnectionHelper.AreComObjectsEqual(PPTApplication, bestApp)))
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{
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PPTROTConnectionHelper.SafeReleaseComObject(bestApp);
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bestApp = null;
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}
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else if (bestApp == null && PPTApplication != null)
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{
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DisconnectFromPPT();
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}
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}
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if (PPTApplication != null && _pptActivePresentation != null)
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{
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dynamic activePresentation = null;
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dynamic slideShowWindow = null;
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try
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{
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// 检查COM对象是否仍然有效
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if (!System.Runtime.InteropServices.Marshal.IsComObject(PPTApplication))
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{
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DisconnectFromPPT();
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continue;
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}
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try
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{
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var _ = System.Runtime.InteropServices.Marshal.GetIUnknownForObject(PPTApplication);
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System.Runtime.InteropServices.Marshal.Release(_);
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}
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catch (System.Runtime.InteropServices.InvalidComObjectException)
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{
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// COM对象已失效
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DisconnectFromPPT();
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continue;
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}
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activePresentation = PPTApplication.ActivePresentation;
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if (!PPTROTConnectionHelper.AreComObjectsEqual(_pptActivePresentation, activePresentation))
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{
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DisconnectFromPPT();
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continue;
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}
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}
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catch (System.Runtime.InteropServices.InvalidComObjectException)
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{
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// COM对象已失效
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DisconnectFromPPT();
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continue;
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}
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catch (COMException ex) when ((uint)ex.ErrorCode == 0x8001010A)
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{
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}
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catch (COMException comEx)
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{
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// COM异常，对象可能已失效
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var hr = (uint)comEx.HResult;
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LogHelper.WriteLogToFile($"检查演示文稿状态COM异常: {comEx.Message} (HR: 0x{hr:X8})", LogHelper.LogType.Warning);
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DisconnectFromPPT();
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continue;
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}
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catch (Exception ex)
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{
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LogHelper.WriteLogToFile($"检查演示文稿状态失败: {ex.Message}", LogHelper.LogType.Warning);
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DisconnectFromPPT();
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continue;
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}
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finally
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{
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PPTROTConnectionHelper.SafeReleaseComObject(activePresentation);
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activePresentation = null;
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}
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bool isSlideShowActive = false;
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try
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{
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activePresentation = PPTApplication.ActivePresentation;
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dynamic slideShowWindows = PPTApplication.SlideShowWindows;
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int count = 0;
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if (slideShowWindows != null)
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{
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count = slideShowWindows.Count;
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}
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if (activePresentation != null && count > 0)
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{
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isSlideShowActive = true;
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dynamic activeSlideShowWindow = null;
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try
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{
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activeSlideShowWindow = activePresentation.SlideShowWindow;
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}
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catch { }
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if (activeSlideShowWindow != null)
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{
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slideShowWindow = activeSlideShowWindow;
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if (_pptSlideShowWindow == null || !PPTROTConnectionHelper.IsValidSlideShowWindow(_pptSlideShowWindow))
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{
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if (!PPTROTConnectionHelper.AreComObjectsEqual(_pptSlideShowWindow, slideShowWindow))
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{
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bool isNewWindow = _pptSlideShowWindow == null;
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PPTROTConnectionHelper.SafeReleaseComObject(_pptSlideShowWindow);
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_pptSlideShowWindow = slideShowWindow;
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if (isNewWindow)
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{
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try
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{
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OnSlideShowBegin(_pptSlideShowWindow);
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}
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catch (Exception ex)
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{
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LogHelper.WriteLogToFile($"手动触发SlideShowBegin失败: {ex.Message}", LogHelper.LogType.Warning);
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}
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}
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}
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}
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}
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}
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PPTROTConnectionHelper.SafeReleaseComObject(slideShowWindows);
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}
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catch (COMException ex) when ((uint)ex.ErrorCode == 0x8001010A)
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{
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}
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catch (Exception ex)
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||
{
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LogHelper.WriteLogToFile($"发现窗口失败: {ex.Message}", LogHelper.LogType.Warning);
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||
}
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finally
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{
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PPTROTConnectionHelper.SafeReleaseComObject(activePresentation);
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activePresentation = null;
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||
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if (!PPTROTConnectionHelper.AreComObjectsEqual(_pptSlideShowWindow, slideShowWindow))
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{
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PPTROTConnectionHelper.SafeReleaseComObject(slideShowWindow);
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slideShowWindow = null;
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}
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}
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||
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if (isSlideShowActive)
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{
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if ((DateTime.Now - _updateTime).TotalMilliseconds > 3000 || _forcePolling)
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{
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||
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try
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{
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slideShowWindow = _pptActivePresentation.SlideShowWindow;
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||
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if (slideShowWindow != null)
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{
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tempTotalPage = GetTotalSlideIndex(_pptActivePresentation);
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}
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else
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{
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tempTotalPage = -1;
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}
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}
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catch (Exception ex)
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{
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tempTotalPage = -1;
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LogHelper.WriteLogToFile($"获取总页数失败: {ex.Message}", LogHelper.LogType.Warning);
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||
}
|
||
finally
|
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{
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PPTROTConnectionHelper.SafeReleaseComObject(slideShowWindow);
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||
slideShowWindow = null;
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||
}
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||
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||
if (tempTotalPage == -1)
|
||
{
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||
_lastPolledSlideNumber = -1;
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_polling = 0;
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||
}
|
||
else
|
||
{
|
||
try
|
||
{
|
||
int currentPage = GetCurrentSlideIndex(_pptSlideShowWindow);
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||
int lastPage = _lastPolledSlideNumber;
|
||
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||
if (currentPage >= GetTotalSlideIndex(_pptActivePresentation)) _polling = 1;
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else _polling = 0;
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||
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||
if (lastPage != -1 && currentPage != lastPage)
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||
{
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||
try
|
||
{
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||
SlideShowNextSlide?.Invoke(_pptSlideShowWindow);
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||
}
|
||
catch (Exception ex)
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||
{
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LogHelper.WriteLogToFile($"触发轮询模式幻灯片切换事件失败: {ex.Message}", LogHelper.LogType.Warning);
|
||
}
|
||
}
|
||
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||
_lastPolledSlideNumber = currentPage;
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||
}
|
||
catch (Exception ex)
|
||
{
|
||
_lastPolledSlideNumber = -1;
|
||
_polling = 1;
|
||
LogHelper.WriteLogToFile($"获取当前页数失败: {ex}", LogHelper.LogType.Warning);
|
||
}
|
||
}
|
||
|
||
_updateTime = DateTime.Now;
|
||
}
|
||
|
||
if (_polling != 0)
|
||
{
|
||
try
|
||
{
|
||
int currentPage = GetCurrentSlideIndex(_pptSlideShowWindow);
|
||
|
||
if (_lastPolledSlideNumber != -1 && currentPage != _lastPolledSlideNumber)
|
||
{
|
||
try
|
||
{
|
||
SlideShowNextSlide?.Invoke(_pptSlideShowWindow);
|
||
}
|
||
catch (Exception ex)
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||
{
|
||
LogHelper.WriteLogToFile($"触发轮询模式幻灯片切换事件失败: {ex.Message}", LogHelper.LogType.Warning);
|
||
}
|
||
}
|
||
|
||
_lastPolledSlideNumber = currentPage;
|
||
UpdateCurrentPresentationInfo();
|
||
_polling = 2;
|
||
}
|
||
catch
|
||
{
|
||
_lastPolledSlideNumber = -1;
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (_lastSlideShowState)
|
||
{
|
||
PPTROTConnectionHelper.SafeReleaseComObject(_pptSlideShowWindow);
|
||
_pptSlideShowWindow = null;
|
||
_lastPolledSlideNumber = -1;
|
||
_polling = 1;
|
||
SlidesCount = 0;
|
||
|
||
_lastSlideShowState = false;
|
||
_cachedIsInSlideShow = false;
|
||
SlideShowStateChanged?.Invoke(false);
|
||
|
||
if (_pptActivePresentation != null)
|
||
{
|
||
try
|
||
{
|
||
OnSlideShowEnd(_pptActivePresentation);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"触发SlideShowEnd事件失败: {ex.Message}", LogHelper.LogType.Warning);
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
_lastPolledSlideNumber = -1;
|
||
SlidesCount = 0;
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
_lastPolledSlideNumber = -1;
|
||
SlidesCount = 0;
|
||
}
|
||
|
||
if (_shouldStop || _isModuleUnloading)
|
||
{
|
||
break;
|
||
}
|
||
|
||
Thread.Sleep(500);
|
||
}
|
||
}
|
||
catch (InvalidComObjectException ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"PptComService异常: COM对象已失效 - {ex.Message}", LogHelper.LogType.Error);
|
||
DisconnectFromPPT();
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
LogHelper.WriteLogToFile($"PptComService异常: COM异常 (HR: 0x{hr:X8}) - {comEx.Message}", LogHelper.LogType.Error);
|
||
DisconnectFromPPT();
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"PptComService异常: {ex.Message}", LogHelper.LogType.Error);
|
||
DisconnectFromPPT();
|
||
}
|
||
}
|
||
|
||
private Microsoft.Office.Interop.PowerPoint.Application TryConnectToPowerPoint()
|
||
{
|
||
try
|
||
{
|
||
var pptApp = PPTROTConnectionHelper.TryConnectViaROT(IsSupportWPS);
|
||
return pptApp;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"ROT连接PowerPoint异常: {ex}", LogHelper.LogType.Error);
|
||
return null;
|
||
}
|
||
}
|
||
|
||
private void ConnectToPPT(object pptApp)
|
||
{
|
||
try
|
||
{
|
||
if (pptApp != null)
|
||
{
|
||
PPTApplication = pptApp;
|
||
}
|
||
|
||
try
|
||
{
|
||
dynamic pptAppDynamic = PPTApplication;
|
||
try
|
||
{
|
||
_pptActivePresentation = pptAppDynamic.ActivePresentation;
|
||
_updateTime = DateTime.Now;
|
||
_lastPolledSlideNumber = -1;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"访问ActivePresentation失败: {ex.Message}，继续使用轮询模式", LogHelper.LogType.Warning);
|
||
_pptActivePresentation = null;
|
||
_updateTime = DateTime.Now;
|
||
_lastPolledSlideNumber = -1;
|
||
}
|
||
|
||
int tempTotalPage = -1;
|
||
if (_pptActivePresentation != null)
|
||
{
|
||
try
|
||
{
|
||
_pptSlideShowWindow = _pptActivePresentation.SlideShowWindow;
|
||
tempTotalPage = GetTotalSlideIndex(_pptActivePresentation);
|
||
}
|
||
catch
|
||
{
|
||
tempTotalPage = -1;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
tempTotalPage = -1;
|
||
}
|
||
|
||
if (tempTotalPage == -1)
|
||
{
|
||
SlidesCount = 0;
|
||
_polling = 0;
|
||
}
|
||
else
|
||
{
|
||
try
|
||
{
|
||
if (_pptSlideShowWindow != null)
|
||
{
|
||
int currentPage = GetCurrentSlideIndex(_pptSlideShowWindow);
|
||
SlidesCount = tempTotalPage;
|
||
if (currentPage >= tempTotalPage) _polling = 1;
|
||
else _polling = 0;
|
||
_lastPolledSlideNumber = currentPage;
|
||
}
|
||
else
|
||
{
|
||
SlidesCount = tempTotalPage;
|
||
_polling = 0;
|
||
_lastPolledSlideNumber = -1;
|
||
}
|
||
}
|
||
catch
|
||
{
|
||
SlidesCount = 0;
|
||
_polling = 1;
|
||
}
|
||
}
|
||
|
||
try
|
||
{
|
||
if (PPTApplication != null)
|
||
{
|
||
try
|
||
{
|
||
Microsoft.Office.Interop.PowerPoint.Application pptAppForEvents = PPTApplication as Microsoft.Office.Interop.PowerPoint.Application;
|
||
|
||
if (pptAppForEvents != null)
|
||
{
|
||
pptAppForEvents.SlideShowNextSlide += new EApplication_SlideShowNextSlideEventHandler(OnSlideShowNextSlide);
|
||
pptAppForEvents.SlideShowBegin += new EApplication_SlideShowBeginEventHandler(OnSlideShowBegin);
|
||
pptAppForEvents.SlideShowEnd += new EApplication_SlideShowEndEventHandler(OnSlideShowEndForComEvent);
|
||
|
||
try
|
||
{
|
||
pptAppForEvents.PresentationBeforeClose += new EApplication_PresentationBeforeCloseEventHandler(OnPresentationBeforeClose);
|
||
}
|
||
catch
|
||
{
|
||
LogHelper.WriteLogToFile("无法注册PresentationBeforeClose事件", LogHelper.LogType.Warning);
|
||
}
|
||
|
||
_bindingEvents = true;
|
||
_forcePolling = false;
|
||
|
||
}
|
||
else
|
||
{
|
||
_bindingEvents = false;
|
||
_forcePolling = true;
|
||
}
|
||
}
|
||
catch (Exception)
|
||
{
|
||
_bindingEvents = false;
|
||
_forcePolling = true;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
_bindingEvents = false;
|
||
_forcePolling = true;
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
_bindingEvents = false;
|
||
_forcePolling = true;
|
||
LogHelper.WriteLogToFile($"无法注册事件: {ex.Message}", LogHelper.LogType.Warning);
|
||
}
|
||
|
||
if (_pptActivePresentation != null)
|
||
{
|
||
UpdateCurrentPresentationInfo();
|
||
}
|
||
|
||
bool wasConnected = _cachedIsConnected;
|
||
_cachedIsConnected = true;
|
||
if (!wasConnected)
|
||
{
|
||
PPTConnectionChanged?.Invoke(true);
|
||
}
|
||
|
||
try
|
||
{
|
||
dynamic pptAppDynamic2 = PPTApplication;
|
||
LogHelper.WriteLogToFile($"成功绑定! {pptAppDynamic2.Name}", LogHelper.LogType.Event);
|
||
}
|
||
catch
|
||
{
|
||
LogHelper.WriteLogToFile("成功绑定!", LogHelper.LogType.Event);
|
||
}
|
||
|
||
TryRaiseSlideShowBeginOnConnect();
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"ConnectToPPT内部异常: {ex.Message}", LogHelper.LogType.Warning);
|
||
if (_pptActivePresentation == null && PPTApplication == null)
|
||
{
|
||
DisconnectFromPPT();
|
||
}
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"连接PPT应用程序失败: {ex}", LogHelper.LogType.Error);
|
||
PPTApplication = null;
|
||
}
|
||
}
|
||
|
||
private void TryRaiseSlideShowBeginOnConnect()
|
||
{
|
||
dynamic slideShowWindows = null;
|
||
dynamic slideShowWindow = null;
|
||
|
||
try
|
||
{
|
||
if (!IsConnected || PPTApplication == null)
|
||
return;
|
||
|
||
if (!Marshal.IsComObject(PPTApplication))
|
||
return;
|
||
|
||
dynamic app = PPTApplication;
|
||
slideShowWindows = app.SlideShowWindows;
|
||
if (slideShowWindows == null || slideShowWindows.Count == 0)
|
||
return;
|
||
|
||
slideShowWindow = slideShowWindows[1];
|
||
if (slideShowWindow == null)
|
||
return;
|
||
|
||
OnSlideShowBegin(slideShowWindow);
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
}
|
||
catch (Exception)
|
||
{
|
||
}
|
||
finally
|
||
{
|
||
if (slideShowWindow != null && !PPTROTConnectionHelper.AreComObjectsEqual(_pptSlideShowWindow, slideShowWindow))
|
||
{
|
||
SafeReleaseComObject(slideShowWindow);
|
||
}
|
||
|
||
if (slideShowWindows != null)
|
||
{
|
||
SafeReleaseComObject(slideShowWindows);
|
||
}
|
||
}
|
||
}
|
||
|
||
private void ApplyReconnectBackoff()
|
||
{
|
||
_reconnectFailureCount = Math.Min(_reconnectFailureCount + 1, 4);
|
||
int delayMs = 250 * (1 << (_reconnectFailureCount - 1));
|
||
_nextReconnectAttemptUtc = DateTime.UtcNow.AddMilliseconds(delayMs);
|
||
|
||
}
|
||
|
||
private void UnbindEvents()
|
||
{
|
||
try
|
||
{
|
||
if (_bindingEvents && PPTApplication != null)
|
||
{
|
||
try
|
||
{
|
||
Microsoft.Office.Interop.PowerPoint.Application app = PPTApplication as Microsoft.Office.Interop.PowerPoint.Application;
|
||
|
||
if (app != null)
|
||
{
|
||
app.SlideShowNextSlide -= new EApplication_SlideShowNextSlideEventHandler(OnSlideShowNextSlide);
|
||
app.SlideShowBegin -= new EApplication_SlideShowBeginEventHandler(OnSlideShowBegin);
|
||
app.SlideShowEnd -= new EApplication_SlideShowEndEventHandler(OnSlideShowEndForComEvent);
|
||
app.PresentationBeforeClose -= new EApplication_PresentationBeforeCloseEventHandler(OnPresentationBeforeClose);
|
||
}
|
||
}
|
||
catch (Exception)
|
||
{
|
||
}
|
||
|
||
_bindingEvents = false;
|
||
}
|
||
}
|
||
catch { }
|
||
}
|
||
|
||
private static bool IsObjectNull(object comObject)
|
||
{
|
||
return ReferenceEquals(comObject, null);
|
||
}
|
||
|
||
private void DisconnectFromPPT()
|
||
{
|
||
object pptApplication = PPTApplication;
|
||
object activePresentation = _pptActivePresentation;
|
||
object slideShowWindow = _pptSlideShowWindow;
|
||
object currentPresentation = CurrentPresentation;
|
||
object currentSlides = CurrentSlides;
|
||
object currentSlide = CurrentSlide;
|
||
|
||
if (IsObjectNull(pptApplication) && IsObjectNull(activePresentation) && IsObjectNull(slideShowWindow) &&
|
||
IsObjectNull(currentPresentation) && IsObjectNull(currentSlides) && IsObjectNull(currentSlide))
|
||
{
|
||
return;
|
||
}
|
||
|
||
_isModuleUnloading = true;
|
||
|
||
try
|
||
{
|
||
UnbindEvents();
|
||
|
||
// 注意：PresentationClose 只应在真正的关闭（OnPresentationBeforeClose）中抛出。
|
||
// DisconnectFromPPT 会被重绑、热重载、瞬时 COM 失效恢复等内部路径调用，
|
||
// 此时演示文稿仍处于打开状态，抛 PresentationClose 会让上层错误地清空缓存，
|
||
// 而后续重连到同一个演示文稿也不会补发 PresentationOpen。
|
||
|
||
SafeReleaseComObject(slideShowWindow, "_pptSlideShowWindow");
|
||
SafeReleaseComObject(activePresentation, "_pptActivePresentation");
|
||
SafeReleaseComObject(currentSlide, "CurrentSlide");
|
||
SafeReleaseComObject(currentSlides, "CurrentSlides");
|
||
SafeReleaseComObject(currentPresentation, "CurrentPresentation");
|
||
SafeFinalReleaseComObject(pptApplication, "PPTApplication");
|
||
|
||
PPTApplication = null;
|
||
_pptActivePresentation = null;
|
||
_pptSlideShowWindow = null;
|
||
CurrentPresentation = null;
|
||
CurrentSlides = null;
|
||
CurrentSlide = null;
|
||
SlidesCount = 0;
|
||
_polling = 0;
|
||
_forcePolling = true;
|
||
_bindingEvents = false;
|
||
|
||
bool wasConnected = _cachedIsConnected;
|
||
_cachedIsConnected = false;
|
||
_cachedIsInSlideShow = false;
|
||
if (wasConnected && !_suppressDisconnectEvent)
|
||
{
|
||
PPTConnectionChanged?.Invoke(false);
|
||
}
|
||
|
||
LogHelper.WriteLogToFile("已断开PPT连接，并显式释放所有COM对象", LogHelper.LogType.Event);
|
||
|
||
ThreadPool.QueueUserWorkItem(_ =>
|
||
{
|
||
try
|
||
{
|
||
Thread.Sleep(2000);
|
||
_isModuleUnloading = false;
|
||
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"重新启用PPT联动模块失败: {ex}", LogHelper.LogType.Error);
|
||
_isModuleUnloading = false;
|
||
}
|
||
});
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"断开PPT连接失败: {ex}", LogHelper.LogType.Error);
|
||
_isModuleUnloading = false;
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 安全释放COM对象
|
||
/// </summary>
|
||
private void SafeReleaseComObject(object comObject)
|
||
{
|
||
try
|
||
{
|
||
if (comObject != null && Marshal.IsComObject(comObject))
|
||
{
|
||
Marshal.ReleaseComObject(comObject);
|
||
}
|
||
}
|
||
catch { }
|
||
}
|
||
|
||
private void SafeReleaseComObject(object comObject, string objectName)
|
||
{
|
||
try
|
||
{
|
||
if (comObject != null)
|
||
{
|
||
// 检查是否为有效的COM对象
|
||
if (!Marshal.IsComObject(comObject))
|
||
{
|
||
return; // 不是COM对象，无需释放
|
||
}
|
||
|
||
// 检查COM对象是否仍然有效
|
||
try
|
||
{
|
||
// 尝试访问对象以验证其有效性
|
||
var _ = Marshal.GetIUnknownForObject(comObject);
|
||
Marshal.Release(_);
|
||
}
|
||
catch (InvalidComObjectException)
|
||
{
|
||
// COM对象已失效，直接返回
|
||
return;
|
||
}
|
||
catch (COMException comEx) when (IsIgnorableDisconnectComException(comEx))
|
||
{
|
||
return;
|
||
}
|
||
|
||
int refCount = Marshal.ReleaseComObject(comObject);
|
||
}
|
||
}
|
||
catch (InvalidComObjectException)
|
||
{
|
||
// COM对象已失效，这是正常的，无需记录错误
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
var logType = IsIgnorableDisconnectComException(comEx) ? LogHelper.LogType.Trace : LogHelper.LogType.Warning;
|
||
LogHelper.WriteLogToFile($"释放COM对象 {objectName} 时COM异常: {comEx.Message} (HR: 0x{hr:X8})", logType);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"释放COM对象 {objectName} 时发生异常: {ex}", LogHelper.LogType.Warning);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 终态释放 COM 对象：先尝试 FinalReleaseComObject 一次性归零引用计数，失败时回退为循环 ReleaseComObject。
|
||
/// </summary>
|
||
private void SafeFinalReleaseComObject(object comObject, string objectName)
|
||
{
|
||
if (comObject == null) return;
|
||
try
|
||
{
|
||
if (!Marshal.IsComObject(comObject)) return;
|
||
|
||
try
|
||
{
|
||
Marshal.FinalReleaseComObject(comObject);
|
||
}
|
||
catch
|
||
{
|
||
try
|
||
{
|
||
int refCount = Marshal.ReleaseComObject(comObject);
|
||
while (refCount > 0)
|
||
{
|
||
refCount = Marshal.ReleaseComObject(comObject);
|
||
}
|
||
}
|
||
catch { }
|
||
}
|
||
}
|
||
catch (InvalidComObjectException)
|
||
{
|
||
}
|
||
catch (COMException comEx) when (IsIgnorableDisconnectComException(comEx))
|
||
{
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"最终释放COM对象 {objectName} 时发生异常: {ex.Message}", LogHelper.LogType.Warning);
|
||
}
|
||
}
|
||
|
||
private static bool IsIgnorableDisconnectComException(COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
return hr == 0x800706BA || // RPC server unavailable
|
||
hr == 0x80010108 || // object disconnected from clients
|
||
hr == 0x8001010D || // server died
|
||
hr == 0x800706BE; // remote procedure call failed
|
||
}
|
||
|
||
private void UpdateCurrentPresentationInfo()
|
||
{
|
||
object activeWindow = null;
|
||
object view = null;
|
||
object selection = null;
|
||
object slideRange = null;
|
||
|
||
try
|
||
{
|
||
if (PPTApplication != null && Marshal.IsComObject(PPTApplication))
|
||
{
|
||
try
|
||
{
|
||
if (_pptActivePresentation != null)
|
||
{
|
||
try
|
||
{
|
||
// 检查COM对象是否仍然有效
|
||
if (!Marshal.IsComObject(_pptActivePresentation))
|
||
{
|
||
CurrentPresentation = null;
|
||
CurrentSlides = null;
|
||
}
|
||
else
|
||
{
|
||
try
|
||
{
|
||
var _ = Marshal.GetIUnknownForObject(_pptActivePresentation);
|
||
Marshal.Release(_);
|
||
}
|
||
catch (InvalidComObjectException)
|
||
{
|
||
CurrentPresentation = null;
|
||
CurrentSlides = null;
|
||
return;
|
||
}
|
||
|
||
dynamic pres = _pptActivePresentation;
|
||
CurrentPresentation = pres;
|
||
CurrentSlides = pres.Slides;
|
||
}
|
||
}
|
||
catch (InvalidComObjectException)
|
||
{
|
||
LogHelper.WriteLogToFile($"访问演示文稿属性失败: COM对象已失效", LogHelper.LogType.Warning);
|
||
CurrentPresentation = null;
|
||
CurrentSlides = null;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"访问演示文稿属性失败: {ex.Message}", LogHelper.LogType.Warning);
|
||
CurrentPresentation = null;
|
||
CurrentSlides = null;
|
||
}
|
||
|
||
if (CurrentSlides != null)
|
||
{
|
||
try
|
||
{
|
||
var slideCount = CurrentSlides.Count;
|
||
if (slideCount > 0)
|
||
{
|
||
SlidesCount = slideCount;
|
||
}
|
||
else
|
||
{
|
||
SlidesCount = 0;
|
||
LogHelper.WriteLogToFile("PPT演示文稿页数为0，可能为空演示文稿", LogHelper.LogType.Warning);
|
||
}
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
SlidesCount = 0;
|
||
LogHelper.WriteLogToFile($"读取PPT页数失败: {comEx.Message} (HR: 0x{hr:X8})", LogHelper.LogType.Warning);
|
||
}
|
||
|
||
try
|
||
{
|
||
if (IsInSlideShow && _pptSlideShowWindow != null)
|
||
{
|
||
try
|
||
{
|
||
dynamic ssw = _pptSlideShowWindow;
|
||
view = ssw.View;
|
||
if (view != null)
|
||
{
|
||
dynamic viewObj = view;
|
||
CurrentSlide = viewObj.Slide;
|
||
}
|
||
}
|
||
catch (Exception)
|
||
{
|
||
}
|
||
}
|
||
else
|
||
{
|
||
activeWindow = PPTApplication.ActiveWindow;
|
||
if (activeWindow != null)
|
||
{
|
||
dynamic aw = activeWindow;
|
||
selection = aw.Selection;
|
||
if (selection != null)
|
||
{
|
||
dynamic sel = selection;
|
||
slideRange = sel.SlideRange;
|
||
if (slideRange != null)
|
||
{
|
||
dynamic sr = slideRange;
|
||
int slideNumber = sr.SlideNumber;
|
||
if (slideNumber > 0 && slideNumber <= SlidesCount)
|
||
{
|
||
CurrentSlide = CurrentSlides[slideNumber];
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if (CurrentSlide == null && SlidesCount > 0)
|
||
{
|
||
CurrentSlide = CurrentSlides[1];
|
||
}
|
||
}
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
if (hr != 0x8001010E && hr != 0x80004005 && hr != 0x80048240)
|
||
{
|
||
LogHelper.WriteLogToFile($"获取当前幻灯片失败: {comEx.Message}", LogHelper.LogType.Warning);
|
||
}
|
||
|
||
if (SlidesCount > 0)
|
||
{
|
||
CurrentSlide = CurrentSlides[1];
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
CurrentPresentation = null;
|
||
CurrentSlides = null;
|
||
CurrentSlide = null;
|
||
SlidesCount = 0;
|
||
}
|
||
}
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
if (hr == 0x8001010E || hr == 0x80004005)
|
||
{
|
||
CurrentPresentation = null;
|
||
CurrentSlides = null;
|
||
CurrentSlide = null;
|
||
SlidesCount = 0;
|
||
}
|
||
else
|
||
{
|
||
LogHelper.WriteLogToFile($"访问活动演示文稿失败: {comEx}", LogHelper.LogType.Warning);
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
CurrentPresentation = null;
|
||
CurrentSlides = null;
|
||
CurrentSlide = null;
|
||
SlidesCount = 0;
|
||
}
|
||
}
|
||
catch (InvalidComObjectException)
|
||
{
|
||
LogHelper.WriteLogToFile($"更新演示文稿信息失败: COM对象已失效", LogHelper.LogType.Warning);
|
||
CurrentPresentation = null;
|
||
CurrentSlides = null;
|
||
CurrentSlide = null;
|
||
SlidesCount = 0;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"更新演示文稿信息失败: {ex}", LogHelper.LogType.Error);
|
||
CurrentPresentation = null;
|
||
CurrentSlides = null;
|
||
CurrentSlide = null;
|
||
SlidesCount = 0;
|
||
}
|
||
finally
|
||
{
|
||
SafeReleaseComObject(slideRange);
|
||
SafeReleaseComObject(selection);
|
||
SafeReleaseComObject(view);
|
||
SafeReleaseComObject(activeWindow);
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region Event Handlers
|
||
private void OnPresentationOpen(Presentation pres)
|
||
{
|
||
try
|
||
{
|
||
if (PPTApplication != null && pres != null)
|
||
{
|
||
try
|
||
{
|
||
_pptActivePresentation = PPTApplication.ActivePresentation;
|
||
_updateTime = DateTime.Now;
|
||
}
|
||
catch { }
|
||
}
|
||
|
||
UpdateCurrentPresentationInfo();
|
||
PresentationOpen?.Invoke(pres);
|
||
LogHelper.WriteLogToFile($"演示文稿已打开: {pres?.Name}", LogHelper.LogType.Event);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"处理演示文稿打开事件失败: {ex}", LogHelper.LogType.Error);
|
||
}
|
||
}
|
||
|
||
private void OnPresentationBeforeClose(Presentation pres, ref bool cancel)
|
||
{
|
||
try
|
||
{
|
||
try
|
||
{
|
||
PresentationClose?.Invoke(pres ?? _pptActivePresentation);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"触发PresentationClose事件失败: {ex.Message}", LogHelper.LogType.Warning);
|
||
}
|
||
|
||
if (_bindingEvents && PPTApplication != null)
|
||
{
|
||
try
|
||
{
|
||
Microsoft.Office.Interop.PowerPoint.Application app = PPTApplication as Microsoft.Office.Interop.PowerPoint.Application;
|
||
|
||
if (app != null)
|
||
{
|
||
app.SlideShowNextSlide -= new EApplication_SlideShowNextSlideEventHandler(OnSlideShowNextSlide);
|
||
app.SlideShowBegin -= new EApplication_SlideShowBeginEventHandler(OnSlideShowBegin);
|
||
app.SlideShowEnd -= new EApplication_SlideShowEndEventHandler(OnSlideShowEndForComEvent);
|
||
app.PresentationBeforeClose -= new EApplication_PresentationBeforeCloseEventHandler(OnPresentationBeforeClose);
|
||
}
|
||
}
|
||
catch (Exception)
|
||
{
|
||
}
|
||
|
||
_bindingEvents = false;
|
||
}
|
||
|
||
DisconnectFromPPT();
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"处理演示文稿关闭前事件失败: {ex}", LogHelper.LogType.Error);
|
||
}
|
||
}
|
||
|
||
private void OnSlideShowBegin(object wn)
|
||
{
|
||
try
|
||
{
|
||
_updateTime = DateTime.Now;
|
||
_pptSlideShowWindow = wn;
|
||
_lastPolledSlideNumber = -1; // 重置页码跟踪
|
||
|
||
// 兜底：ROT 路径下事件触发时 _pptActivePresentation 可能尚未绑定，
|
||
// 先从 SlideShowWindow.Presentation 取，再退回 PPTApplication.ActivePresentation，
|
||
// 保证后续 SlidesCount 在 UI 读取前一定有效。
|
||
if (_pptActivePresentation == null)
|
||
{
|
||
try
|
||
{
|
||
if (wn != null)
|
||
{
|
||
dynamic ssw = wn;
|
||
dynamic presFromWindow = ssw.Presentation;
|
||
if (presFromWindow != null)
|
||
{
|
||
_pptActivePresentation = presFromWindow;
|
||
}
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"OnSlideShowBegin 从 SlideShowWindow 兜底获取演示文稿失败: {ex.Message}", LogHelper.LogType.Warning);
|
||
}
|
||
|
||
if (_pptActivePresentation == null && PPTApplication != null)
|
||
{
|
||
try
|
||
{
|
||
dynamic app = PPTApplication;
|
||
_pptActivePresentation = app.ActivePresentation;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"OnSlideShowBegin 从 PPTApplication 兜底获取演示文稿失败: {ex.Message}", LogHelper.LogType.Warning);
|
||
}
|
||
}
|
||
}
|
||
|
||
try
|
||
{
|
||
if (_pptActivePresentation != null)
|
||
{
|
||
int currentPage = GetCurrentSlideIndex(_pptSlideShowWindow);
|
||
int totalPage = GetTotalSlideIndex(_pptActivePresentation);
|
||
|
||
if (currentPage >= totalPage) _polling = 1;
|
||
else _polling = 0;
|
||
|
||
SlidesCount = totalPage;
|
||
_lastPolledSlideNumber = currentPage; // 初始化页码跟踪
|
||
}
|
||
}
|
||
catch
|
||
{
|
||
_polling = 1;
|
||
_lastPolledSlideNumber = -1;
|
||
}
|
||
|
||
UpdateCurrentPresentationInfo();
|
||
|
||
if (!_lastSlideShowState)
|
||
{
|
||
_lastSlideShowState = true;
|
||
_cachedIsInSlideShow = true;
|
||
SlideShowStateChanged?.Invoke(true);
|
||
}
|
||
|
||
SlideShowBegin?.Invoke(wn);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"处理幻灯片放映开始事件失败: {ex}", LogHelper.LogType.Error);
|
||
}
|
||
}
|
||
|
||
private void OnSlideShowNextSlide(SlideShowWindow wn)
|
||
{
|
||
try
|
||
{
|
||
_updateTime = DateTime.Now;
|
||
|
||
try
|
||
{
|
||
if (_pptActivePresentation != null && _pptSlideShowWindow != null)
|
||
{
|
||
int currentPage = GetCurrentSlideIndex(_pptSlideShowWindow);
|
||
int totalPage = GetTotalSlideIndex(_pptActivePresentation);
|
||
|
||
if (currentPage >= totalPage) _polling = 1;
|
||
else _polling = 0;
|
||
|
||
_lastPolledSlideNumber = currentPage; // 更新页码跟踪
|
||
}
|
||
}
|
||
catch
|
||
{
|
||
_polling = 1;
|
||
}
|
||
|
||
UpdateCurrentPresentationInfo();
|
||
SlideShowNextSlide?.Invoke(wn);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"处理幻灯片切换事件失败: {ex}", LogHelper.LogType.Error);
|
||
}
|
||
}
|
||
|
||
private void OnSlideShowEnd(object pres)
|
||
{
|
||
try
|
||
{
|
||
_updateTime = DateTime.Now;
|
||
SlidesCount = 0;
|
||
_lastPolledSlideNumber = -1;
|
||
_polling = 1;
|
||
|
||
PPTROTConnectionHelper.SafeReleaseComObject(_pptSlideShowWindow);
|
||
_pptSlideShowWindow = null;
|
||
|
||
if (IsSupportWPS && PPTApplication != null)
|
||
{
|
||
RecordWpsProcessForManagement();
|
||
}
|
||
|
||
UpdateCurrentPresentationInfo();
|
||
|
||
if (_lastSlideShowState)
|
||
{
|
||
_lastSlideShowState = false;
|
||
_cachedIsInSlideShow = false;
|
||
SlideShowStateChanged?.Invoke(false);
|
||
}
|
||
|
||
SlideShowEnd?.Invoke(pres);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"处理幻灯片放映结束事件失败: {ex}", LogHelper.LogType.Error);
|
||
}
|
||
}
|
||
|
||
private void OnSlideShowEndForComEvent(Presentation pres)
|
||
{
|
||
OnSlideShowEnd(pres);
|
||
}
|
||
#endregion
|
||
|
||
#region Public Methods
|
||
public bool TryNavigateToSlide(int slideNumber)
|
||
{
|
||
object slideShowWindows = null;
|
||
object slideShowWindow = null;
|
||
object view = null;
|
||
object windows = null;
|
||
object window = null;
|
||
object windowView = null;
|
||
try
|
||
{
|
||
if (!IsConnected || PPTApplication == null) return false;
|
||
if (!Marshal.IsComObject(PPTApplication)) return false;
|
||
|
||
if (IsInSlideShow)
|
||
{
|
||
slideShowWindows = PPTApplication.SlideShowWindows;
|
||
if (slideShowWindows != null)
|
||
{
|
||
dynamic ssw = slideShowWindows;
|
||
if (ssw.Count >= 1)
|
||
{
|
||
slideShowWindow = ssw[1];
|
||
if (slideShowWindow != null)
|
||
{
|
||
dynamic sswObj = slideShowWindow;
|
||
view = sswObj.View;
|
||
if (view != null)
|
||
{
|
||
dynamic viewObj = view;
|
||
viewObj.GotoSlide(slideNumber);
|
||
return true;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else if (CurrentPresentation != null)
|
||
{
|
||
windows = CurrentPresentation.Windows;
|
||
if (windows != null)
|
||
{
|
||
dynamic win = windows;
|
||
if (win.Count >= 1)
|
||
{
|
||
window = win[1];
|
||
if (window != null)
|
||
{
|
||
dynamic winObj = window;
|
||
windowView = winObj.View;
|
||
if (windowView != null)
|
||
{
|
||
dynamic viewObj = windowView;
|
||
viewObj.GotoSlide(slideNumber);
|
||
return true;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
if (hr == 0x8001010E || hr == 0x80004005)
|
||
{
|
||
DisconnectFromPPT();
|
||
}
|
||
LogHelper.WriteLogToFile($"跳转到幻灯片{slideNumber}失败: {comEx.Message}", LogHelper.LogType.Error);
|
||
return false;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"跳转到幻灯片{slideNumber}失败: {ex}", LogHelper.LogType.Error);
|
||
return false;
|
||
}
|
||
finally
|
||
{
|
||
SafeReleaseComObject(windowView);
|
||
SafeReleaseComObject(window);
|
||
SafeReleaseComObject(windows);
|
||
SafeReleaseComObject(view);
|
||
SafeReleaseComObject(slideShowWindow);
|
||
SafeReleaseComObject(slideShowWindows);
|
||
}
|
||
}
|
||
|
||
public bool TryNavigateNext()
|
||
{
|
||
try
|
||
{
|
||
if (!IsConnected || !IsInSlideShow || PPTApplication == null) return false;
|
||
if (!Marshal.IsComObject(PPTApplication)) return false;
|
||
|
||
// 在新线程中执行翻页操作，避免等待动画完成
|
||
new Thread(() =>
|
||
{
|
||
try
|
||
{
|
||
object slideShowWindows = PPTApplication.SlideShowWindows;
|
||
if (slideShowWindows != null)
|
||
{
|
||
dynamic ssw = slideShowWindows;
|
||
object slideShowWindow = ssw[1];
|
||
if (slideShowWindow != null)
|
||
{
|
||
dynamic sswObj = slideShowWindow;
|
||
try
|
||
{
|
||
sswObj.Activate();
|
||
}
|
||
catch { }
|
||
try
|
||
{
|
||
object view = sswObj.View;
|
||
if (view != null)
|
||
{
|
||
dynamic viewObj = view;
|
||
viewObj.Next();
|
||
}
|
||
}
|
||
catch { }
|
||
SafeReleaseComObject(slideShowWindow);
|
||
}
|
||
SafeReleaseComObject(slideShowWindows);
|
||
}
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
if (hr == 0x8001010E || hr == 0x80004005)
|
||
{
|
||
DisconnectFromPPT();
|
||
}
|
||
LogHelper.WriteLogToFile($"切换到下一页失败: {comEx.Message}", LogHelper.LogType.Error);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"切换到下一页失败: {ex}", LogHelper.LogType.Error);
|
||
}
|
||
}).Start();
|
||
return true;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"启动下一页线程失败: {ex}", LogHelper.LogType.Error);
|
||
return false;
|
||
}
|
||
}
|
||
|
||
public bool TryNavigatePrevious()
|
||
{
|
||
try
|
||
{
|
||
if (!IsConnected || !IsInSlideShow || PPTApplication == null) return false;
|
||
if (!Marshal.IsComObject(PPTApplication)) return false;
|
||
|
||
// 在新线程中执行翻页操作，避免等待动画完成
|
||
new Thread(() =>
|
||
{
|
||
try
|
||
{
|
||
object slideShowWindows = PPTApplication.SlideShowWindows;
|
||
if (slideShowWindows != null)
|
||
{
|
||
dynamic ssw = slideShowWindows;
|
||
object slideShowWindow = ssw[1];
|
||
if (slideShowWindow != null)
|
||
{
|
||
dynamic sswObj = slideShowWindow;
|
||
try
|
||
{
|
||
sswObj.Activate();
|
||
}
|
||
catch { }
|
||
try
|
||
{
|
||
object view = sswObj.View;
|
||
if (view != null)
|
||
{
|
||
dynamic viewObj = view;
|
||
viewObj.Previous();
|
||
}
|
||
}
|
||
catch { }
|
||
SafeReleaseComObject(slideShowWindow);
|
||
}
|
||
SafeReleaseComObject(slideShowWindows);
|
||
}
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
if (hr == 0x8001010E || hr == 0x80004005)
|
||
{
|
||
DisconnectFromPPT();
|
||
}
|
||
LogHelper.WriteLogToFile($"切换到上一页失败: {comEx.Message}", LogHelper.LogType.Error);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"切换到上一页失败: {ex}", LogHelper.LogType.Error);
|
||
}
|
||
}).Start();
|
||
return true;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"启动上一页线程失败: {ex}", LogHelper.LogType.Error);
|
||
return false;
|
||
}
|
||
}
|
||
|
||
public bool TryEndSlideShow()
|
||
{
|
||
object slideShowWindows = null;
|
||
object slideShowWindow = null;
|
||
object view = null;
|
||
try
|
||
{
|
||
if (!IsConnected || !IsInSlideShow || PPTApplication == null) return false;
|
||
if (!Marshal.IsComObject(PPTApplication)) return false;
|
||
|
||
slideShowWindows = PPTApplication.SlideShowWindows;
|
||
if (slideShowWindows != null)
|
||
{
|
||
dynamic ssw = slideShowWindows;
|
||
slideShowWindow = ssw[1];
|
||
if (slideShowWindow != null)
|
||
{
|
||
dynamic sswObj = slideShowWindow;
|
||
view = sswObj.View;
|
||
if (view != null)
|
||
{
|
||
dynamic viewObj = view;
|
||
viewObj.Exit();
|
||
return true;
|
||
}
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
if (hr == 0x8001010E || hr == 0x80004005)
|
||
{
|
||
DisconnectFromPPT();
|
||
}
|
||
LogHelper.WriteLogToFile($"结束幻灯片放映失败: {comEx.Message}", LogHelper.LogType.Error);
|
||
return false;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"结束幻灯片放映失败: {ex}", LogHelper.LogType.Error);
|
||
return false;
|
||
}
|
||
finally
|
||
{
|
||
SafeReleaseComObject(view);
|
||
SafeReleaseComObject(slideShowWindow);
|
||
SafeReleaseComObject(slideShowWindows);
|
||
}
|
||
}
|
||
|
||
public bool TryStartSlideShow()
|
||
{
|
||
try
|
||
{
|
||
if (!IsConnected || CurrentPresentation == null || PPTApplication == null) return false;
|
||
if (!Marshal.IsComObject(PPTApplication) || !Marshal.IsComObject(CurrentPresentation)) return false;
|
||
|
||
CurrentPresentation.SlideShowSettings.Run();
|
||
return true;
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
if (hr == 0x8001010E || hr == 0x80004005)
|
||
{
|
||
// COM对象已失效，触发断开连接
|
||
DisconnectFromPPT();
|
||
}
|
||
LogHelper.WriteLogToFile($"开始幻灯片放映失败: {comEx.Message}", LogHelper.LogType.Error);
|
||
return false;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"开始幻灯片放映失败: {ex}", LogHelper.LogType.Error);
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 获取当前活跃的演示文稿
|
||
/// </summary>
|
||
public object GetCurrentActivePresentation()
|
||
{
|
||
object slideShowWindows = null;
|
||
object slideShowWindow = null;
|
||
object view = null;
|
||
object slide = null;
|
||
object activeWindow = null;
|
||
object presentation = null;
|
||
try
|
||
{
|
||
if (!IsConnected || PPTApplication == null) return null;
|
||
if (!Marshal.IsComObject(PPTApplication)) return null;
|
||
|
||
// 检查COM对象是否仍然有效
|
||
try
|
||
{
|
||
var _ = Marshal.GetIUnknownForObject(PPTApplication);
|
||
Marshal.Release(_);
|
||
}
|
||
catch (InvalidComObjectException)
|
||
{
|
||
// COM对象已失效
|
||
return null;
|
||
}
|
||
|
||
if (IsInSlideShow)
|
||
{
|
||
dynamic pptAppForSSW = PPTApplication;
|
||
slideShowWindows = pptAppForSSW.SlideShowWindows;
|
||
if (slideShowWindows != null)
|
||
{
|
||
dynamic ssw = slideShowWindows;
|
||
if (ssw.Count > 0)
|
||
{
|
||
slideShowWindow = ssw[1];
|
||
if (slideShowWindow != null)
|
||
{
|
||
dynamic sswObj = slideShowWindow;
|
||
view = sswObj.View;
|
||
if (view != null)
|
||
{
|
||
dynamic viewObj = view;
|
||
slide = viewObj.Slide;
|
||
if (slide != null)
|
||
{
|
||
dynamic slideObj = slide;
|
||
presentation = slideObj.Parent;
|
||
return presentation;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
activeWindow = PPTApplication.ActiveWindow;
|
||
if (activeWindow != null)
|
||
{
|
||
dynamic aw = activeWindow;
|
||
presentation = aw.Presentation;
|
||
if (presentation != null)
|
||
{
|
||
return presentation;
|
||
}
|
||
}
|
||
|
||
return CurrentPresentation;
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
if (hr == 0x8001010E || hr == 0x80004005)
|
||
{
|
||
DisconnectFromPPT();
|
||
}
|
||
if (hr == 0x80048240)
|
||
{
|
||
return null;
|
||
}
|
||
LogHelper.WriteLogToFile($"获取当前活跃演示文稿失败: {comEx.Message}", LogHelper.LogType.Warning);
|
||
return CurrentPresentation;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"获取当前活跃演示文稿失败: {ex}", LogHelper.LogType.Error);
|
||
return CurrentPresentation;
|
||
}
|
||
finally
|
||
{
|
||
if (presentation != null && !ReferenceEquals(presentation, CurrentPresentation))
|
||
{
|
||
SafeReleaseComObject(presentation);
|
||
}
|
||
SafeReleaseComObject(slide);
|
||
SafeReleaseComObject(view);
|
||
SafeReleaseComObject(slideShowWindow);
|
||
SafeReleaseComObject(slideShowWindows);
|
||
SafeReleaseComObject(activeWindow);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 获取当前幻灯片编号
|
||
/// </summary>
|
||
private int GetCurrentSlideIndex(dynamic slideShowWindow)
|
||
{
|
||
object view = null;
|
||
object slide = null;
|
||
|
||
try
|
||
{
|
||
if (slideShowWindow == null) return 0;
|
||
|
||
// 检查COM对象是否有效
|
||
if (!Marshal.IsComObject(slideShowWindow))
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
try
|
||
{
|
||
var _ = Marshal.GetIUnknownForObject(slideShowWindow);
|
||
Marshal.Release(_);
|
||
}
|
||
catch (InvalidComObjectException)
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
dynamic ssw = slideShowWindow;
|
||
view = ssw.View;
|
||
if (view != null)
|
||
{
|
||
dynamic viewObj = view;
|
||
slide = viewObj.Slide;
|
||
if (slide != null)
|
||
{
|
||
dynamic slideObj = slide;
|
||
return slideObj.SlideIndex;
|
||
}
|
||
}
|
||
return 0;
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
// 处理 0x80048240: SlideShowView.Slide : Invalid request. No slide is currently in view.
|
||
var hr = (uint)comEx.HResult;
|
||
if (hr == 0x80048240)
|
||
{
|
||
return 0;
|
||
}
|
||
throw;
|
||
}
|
||
catch (InvalidComObjectException)
|
||
{
|
||
return 0;
|
||
}
|
||
finally
|
||
{
|
||
SafeReleaseComObject(slide);
|
||
SafeReleaseComObject(view);
|
||
}
|
||
}
|
||
|
||
private int GetTotalSlideIndex(dynamic presentation)
|
||
{
|
||
try
|
||
{
|
||
if (presentation == null) return 0;
|
||
dynamic pres = presentation;
|
||
return pres.Slides.Count;
|
||
}
|
||
catch
|
||
{
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
public int GetCurrentSlideNumber()
|
||
{
|
||
object activeWindow = null;
|
||
object selection = null;
|
||
object slideRange = null;
|
||
try
|
||
{
|
||
if (!IsConnected || PPTApplication == null) return 0;
|
||
if (!Marshal.IsComObject(PPTApplication)) return 0;
|
||
|
||
if (IsInSlideShow && _pptSlideShowWindow != null)
|
||
{
|
||
try
|
||
{
|
||
return GetCurrentSlideIndex(_pptSlideShowWindow);
|
||
}
|
||
catch
|
||
{
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
activeWindow = PPTApplication.ActiveWindow;
|
||
if (activeWindow != null)
|
||
{
|
||
dynamic aw = activeWindow;
|
||
selection = aw.Selection;
|
||
if (selection != null)
|
||
{
|
||
dynamic sel = selection;
|
||
slideRange = sel.SlideRange;
|
||
if (slideRange != null)
|
||
{
|
||
dynamic sr = slideRange;
|
||
int slideNumber = sr.SlideNumber;
|
||
if (slideNumber > 0)
|
||
{
|
||
return slideNumber;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if (CurrentSlide != null && Marshal.IsComObject(CurrentSlide))
|
||
{
|
||
return CurrentSlide.SlideNumber;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
if (hr == 0x8001010E || hr == 0x80004005)
|
||
{
|
||
DisconnectFromPPT();
|
||
}
|
||
return 0;
|
||
}
|
||
catch (Exception)
|
||
{
|
||
return 0;
|
||
}
|
||
finally
|
||
{
|
||
SafeReleaseComObject(slideRange);
|
||
SafeReleaseComObject(selection);
|
||
SafeReleaseComObject(activeWindow);
|
||
}
|
||
}
|
||
|
||
public string GetPresentationName()
|
||
{
|
||
try
|
||
{
|
||
if (CurrentPresentation == null || !Marshal.IsComObject(CurrentPresentation)) return "";
|
||
|
||
return CurrentPresentation.Name ?? "";
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
if (hr == 0x8001010E || hr == 0x80004005)
|
||
{
|
||
// COM对象已失效，触发断开连接
|
||
DisconnectFromPPT();
|
||
}
|
||
LogHelper.WriteLogToFile($"获取演示文稿名称失败: {comEx.Message}", LogHelper.LogType.Warning);
|
||
return "";
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"获取演示文稿名称失败: {ex}", LogHelper.LogType.Error);
|
||
return "";
|
||
}
|
||
}
|
||
|
||
public string GetPresentationPath()
|
||
{
|
||
try
|
||
{
|
||
if (CurrentPresentation == null || !Marshal.IsComObject(CurrentPresentation)) return "";
|
||
|
||
return CurrentPresentation.FullName ?? "";
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
if (hr == 0x8001010E || hr == 0x80004005)
|
||
{
|
||
// COM对象已失效，触发断开连接
|
||
DisconnectFromPPT();
|
||
}
|
||
LogHelper.WriteLogToFile($"获取演示文稿路径失败: {comEx.Message}", LogHelper.LogType.Warning);
|
||
return "";
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"获取演示文稿路径失败: {ex}", LogHelper.LogType.Error);
|
||
return "";
|
||
}
|
||
}
|
||
|
||
public bool TryShowSlideNavigation()
|
||
{
|
||
object slideShowWindows = null;
|
||
object slideShowWindow = null;
|
||
object slideNavigation = null;
|
||
try
|
||
{
|
||
if (!IsConnected || !IsInSlideShow || PPTApplication == null)
|
||
{
|
||
LogHelper.WriteLogToFile("PPT未连接或未在放映状态", LogHelper.LogType.Warning);
|
||
return false;
|
||
}
|
||
|
||
if (!Marshal.IsComObject(PPTApplication))
|
||
{
|
||
LogHelper.WriteLogToFile("PPT应用程序COM对象无效", LogHelper.LogType.Warning);
|
||
return false;
|
||
}
|
||
|
||
slideShowWindows = PPTApplication.SlideShowWindows;
|
||
if (slideShowWindows != null)
|
||
{
|
||
dynamic ssw = slideShowWindows;
|
||
slideShowWindow = ssw[1];
|
||
if (slideShowWindow == null)
|
||
{
|
||
LogHelper.WriteLogToFile("幻灯片放映窗口为空", LogHelper.LogType.Warning);
|
||
return false;
|
||
}
|
||
|
||
try
|
||
{
|
||
dynamic sswObj = slideShowWindow;
|
||
slideNavigation = sswObj.SlideNavigation;
|
||
if (slideNavigation != null)
|
||
{
|
||
dynamic sn = slideNavigation;
|
||
sn.Visible = true;
|
||
return true;
|
||
}
|
||
|
||
LogHelper.WriteLogToFile("SlideNavigation对象为空，可能是WPS不支持此功能", LogHelper.LogType.Warning);
|
||
return false;
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
if (hr == 0x80020006)
|
||
{
|
||
LogHelper.WriteLogToFile("WPS不支持SlideNavigation功能", LogHelper.LogType.Warning);
|
||
return false;
|
||
}
|
||
throw;
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
catch (COMException comEx)
|
||
{
|
||
var hr = (uint)comEx.HResult;
|
||
if (hr == 0x8001010E || hr == 0x80004005)
|
||
{
|
||
DisconnectFromPPT();
|
||
}
|
||
LogHelper.WriteLogToFile($"显示幻灯片导航COM异常: {comEx.Message} (HRESULT: 0x{hr:X8})", LogHelper.LogType.Error);
|
||
return false;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"显示幻灯片导航失败: {ex}", LogHelper.LogType.Error);
|
||
return false;
|
||
}
|
||
finally
|
||
{
|
||
SafeReleaseComObject(slideNavigation);
|
||
SafeReleaseComObject(slideShowWindow);
|
||
SafeReleaseComObject(slideShowWindows);
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region WPS Process Management
|
||
private void RecordWpsProcessForManagement()
|
||
{
|
||
if (!IsSupportWPS || PPTApplication == null) return;
|
||
|
||
try
|
||
{
|
||
Process wpsProcess = null;
|
||
|
||
// 方法1：通过应用程序路径检测
|
||
if (PPTApplication.Path.Contains("Kingsoft\\WPS Office\\") ||
|
||
PPTApplication.Path.Contains("WPS Office\\"))
|
||
{
|
||
uint processId;
|
||
GetWindowThreadProcessId((IntPtr)PPTApplication.HWND, out processId);
|
||
wpsProcess = Process.GetProcessById((int)processId);
|
||
}
|
||
|
||
// 方法2：通过前台窗口检测
|
||
if (wpsProcess == null)
|
||
{
|
||
var foregroundWpsWindow = GetForegroundWpsWindow();
|
||
if (foregroundWpsWindow != null)
|
||
{
|
||
wpsProcess = Process.GetProcessById((int)foregroundWpsWindow.ProcessId);
|
||
}
|
||
}
|
||
|
||
// 方法3：通过进程名检测
|
||
if (wpsProcess == null)
|
||
{
|
||
var wpsProcesses = GetWpsProcesses();
|
||
if (wpsProcesses.Count > 0)
|
||
{
|
||
wpsProcess = wpsProcesses.First();
|
||
}
|
||
}
|
||
|
||
if (wpsProcess != null)
|
||
{
|
||
_wpsProcess = wpsProcess;
|
||
_hasWpsProcessId = true;
|
||
_wpsProcessRecordTime = DateTime.Now;
|
||
_wpsProcessCheckCount = 0;
|
||
StartWpsProcessCheckTimer();
|
||
}
|
||
else
|
||
{
|
||
LogHelper.WriteLogToFile("未能检测到WPS进程", LogHelper.LogType.Warning);
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"记录WPS进程失败: {ex}", LogHelper.LogType.Error);
|
||
}
|
||
}
|
||
|
||
private void StartWpsProcessCheckTimer()
|
||
{
|
||
if (!IsSupportWPS) return;
|
||
|
||
if (_wpsProcessCheckTimer != null)
|
||
{
|
||
_wpsProcessCheckTimer.Stop();
|
||
_wpsProcessCheckTimer.Dispose();
|
||
}
|
||
|
||
// 增加检查间隔到2秒，减少性能开销
|
||
_wpsProcessCheckTimer = new Timer(2000);
|
||
_wpsProcessCheckTimer.Elapsed += OnWpsProcessCheckTimerElapsed;
|
||
_wpsProcessCheckTimer.Start();
|
||
}
|
||
|
||
private void OnWpsProcessCheckTimerElapsed(object sender, ElapsedEventArgs e)
|
||
{
|
||
if (!IsSupportWPS)
|
||
{
|
||
StopWpsProcessCheckTimer();
|
||
return;
|
||
}
|
||
|
||
try
|
||
{
|
||
if (_wpsProcess == null || !_hasWpsProcessId)
|
||
{
|
||
StopWpsProcessCheckTimer();
|
||
return;
|
||
}
|
||
|
||
_wpsProcess.Refresh();
|
||
_wpsProcessCheckCount++;
|
||
|
||
if (_wpsProcess.HasExited)
|
||
{
|
||
StopWpsProcessCheckTimer();
|
||
return;
|
||
}
|
||
|
||
|
||
// 检查前台WPS窗口是否存在
|
||
bool isForegroundWpsWindowActive = IsForegroundWpsWindowStillActiveOptimized();
|
||
|
||
if (isForegroundWpsWindowActive)
|
||
{
|
||
if (_wpsProcessCheckCount % 5 == 0) // 每10秒记录一次日志
|
||
{
|
||
}
|
||
return;
|
||
}
|
||
|
||
// 多重验证确保准确性
|
||
if (!PerformMultipleWpsWindowChecks())
|
||
{
|
||
return;
|
||
}
|
||
|
||
// 前台窗口已消失，准备结束WPS进程
|
||
LogHelper.WriteLogToFile("多重验证确认WPS窗口已消失，准备结束WPS进程", LogHelper.LogType.Event);
|
||
|
||
// 安全结束WPS进程
|
||
SafeTerminateWpsProcess();
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"WPS 进程检测失败: {ex}", LogHelper.LogType.Error);
|
||
StopWpsProcessCheckTimer();
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 前台WPS窗口检测
|
||
/// </summary>
|
||
private bool IsForegroundWpsWindowStillActiveOptimized()
|
||
{
|
||
try
|
||
{
|
||
// 快速检查：直接检查前台窗口
|
||
var foregroundWindow = GetForegroundWindow();
|
||
if (foregroundWindow == IntPtr.Zero) return false;
|
||
|
||
// 获取前台窗口的进程ID
|
||
uint processId;
|
||
GetWindowThreadProcessId(foregroundWindow, out processId);
|
||
|
||
// 如果前台窗口就是我们监控的WPS进程，则认为仍然活跃
|
||
if (processId == _wpsProcess?.Id)
|
||
{
|
||
return true;
|
||
}
|
||
|
||
// 检查是否为WPS相关窗口
|
||
var windowInfo = GetWindowInfo(foregroundWindow);
|
||
return IsWpsWindow(windowInfo);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"WPS窗口检测失败: {ex}", LogHelper.LogType.Error);
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 多重验证WPS窗口状态，确保查杀准确性
|
||
/// </summary>
|
||
private bool PerformMultipleWpsWindowChecks()
|
||
{
|
||
try
|
||
{
|
||
// 第一重验证：等待1秒后再次检查
|
||
Thread.Sleep(1000);
|
||
if (IsForegroundWpsWindowStillActiveOptimized())
|
||
{
|
||
return false;
|
||
}
|
||
|
||
// 第二重验证：检查所有WPS进程的窗口
|
||
var wpsProcesses = GetWpsProcesses();
|
||
foreach (var process in wpsProcesses)
|
||
{
|
||
if (process.Id == _wpsProcess?.Id) continue; // 跳过当前监控的进程
|
||
|
||
var windows = GetWpsWindowsByProcess(process.Id);
|
||
if (windows.Any(w => w.IsVisible && !w.IsMinimized))
|
||
{
|
||
return false;
|
||
}
|
||
}
|
||
|
||
// 第三重验证：检查任务栏中的WPS窗口
|
||
if (HasWpsWindowInTaskbar())
|
||
{
|
||
return false;
|
||
}
|
||
|
||
LogHelper.WriteLogToFile("多重验证完成：确认WPS窗口已全部消失", LogHelper.LogType.Event);
|
||
return true;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"多重验证失败: {ex}", LogHelper.LogType.Error);
|
||
return false; // 出错时保守处理，不进行查杀
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 检查任务栏中是否有WPS窗口
|
||
/// </summary>
|
||
private bool HasWpsWindowInTaskbar()
|
||
{
|
||
try
|
||
{
|
||
var allWindows = new List<WpsWindowInfo>();
|
||
|
||
EnumWindows((hWnd, lParam) =>
|
||
{
|
||
try
|
||
{
|
||
if (IsWindow(hWnd) && IsWindowVisible(hWnd))
|
||
{
|
||
var windowInfo = GetWindowInfo(hWnd);
|
||
if (IsWpsWindow(windowInfo) && !string.IsNullOrEmpty(windowInfo.Title))
|
||
{
|
||
allWindows.Add(windowInfo);
|
||
}
|
||
}
|
||
}
|
||
catch { }
|
||
return true;
|
||
}, IntPtr.Zero);
|
||
|
||
return allWindows.Count > 0;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"检查任务栏WPS窗口失败: {ex}", LogHelper.LogType.Error);
|
||
return true; // 出错时保守处理，认为仍有窗口
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 安全地结束WPS进程 - 通过释放PPTCOM对象
|
||
/// </summary>
|
||
private void SafeTerminateWpsProcess()
|
||
{
|
||
try
|
||
{
|
||
if (_wpsProcess == null || _wpsProcess.HasExited)
|
||
{
|
||
StopWpsProcessCheckTimer();
|
||
return;
|
||
}
|
||
|
||
LogHelper.WriteLogToFile($"开始通过释放PPTCOM对象安全结束WPS进程 (PID: {_wpsProcess.Id})", LogHelper.LogType.Event);
|
||
|
||
// 第一步：释放 pptActWindow 对象（SlideShowWindow）
|
||
SlideShowWindow pptActWindow = null;
|
||
try
|
||
{
|
||
if (PPTApplication != null && Marshal.IsComObject(PPTApplication))
|
||
{
|
||
if (PPTApplication.SlideShowWindows?.Count > 0)
|
||
{
|
||
pptActWindow = PPTApplication.SlideShowWindows[1];
|
||
}
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"获取SlideShowWindow对象时发生异常: {ex}", LogHelper.LogType.Warning);
|
||
}
|
||
|
||
if (pptActWindow != null)
|
||
{
|
||
Marshal.ReleaseComObject(pptActWindow);
|
||
pptActWindow = null;
|
||
}
|
||
|
||
// 第二步：释放 pptActDoc 对象（CurrentPresentation）
|
||
Presentation pptActDoc = CurrentPresentation;
|
||
if (pptActDoc != null)
|
||
{
|
||
Marshal.ReleaseComObject(pptActDoc);
|
||
pptActDoc = null;
|
||
CurrentPresentation = null;
|
||
}
|
||
|
||
// 第三步：释放 pptApp 对象（PPTApplication）
|
||
if (PPTApplication != null)
|
||
{
|
||
try
|
||
{
|
||
Marshal.ReleaseComObject(PPTApplication);
|
||
PPTApplication = null;
|
||
}
|
||
catch (Exception)
|
||
{
|
||
PPTApplication = null;
|
||
}
|
||
}
|
||
|
||
// 第四步：强制垃圾回收及等待终结器执行
|
||
GC.Collect();
|
||
GC.WaitForPendingFinalizers();
|
||
|
||
// 等待一段时间让COM对象完全释放
|
||
Thread.Sleep(1000);
|
||
|
||
// 检查进程是否已经结束
|
||
try
|
||
{
|
||
_wpsProcess.Refresh();
|
||
if (_wpsProcess.HasExited)
|
||
{
|
||
LogHelper.WriteLogToFile("WPS进程已通过COM对象释放成功结束", LogHelper.LogType.Event);
|
||
StopWpsProcessCheckTimer();
|
||
return;
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"检查WPS进程状态失败: {ex}", LogHelper.LogType.Warning);
|
||
}
|
||
|
||
// 备用方案：如果COM对象释放后进程仍未结束，尝试关闭
|
||
try
|
||
{
|
||
LogHelper.WriteLogToFile("COM对象释放后进程仍在运行，尝试关闭", LogHelper.LogType.Warning);
|
||
_wpsProcess.CloseMainWindow();
|
||
if (_wpsProcess.WaitForExit(3000)) // 等待3秒
|
||
{
|
||
LogHelper.WriteLogToFile("WPS进程已关闭", LogHelper.LogType.Event);
|
||
StopWpsProcessCheckTimer();
|
||
return;
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"关闭WPS进程失败: {ex}", LogHelper.LogType.Warning);
|
||
}
|
||
|
||
// 最后备用方案：强制结束进程
|
||
try
|
||
{
|
||
if (!_wpsProcess.HasExited)
|
||
{
|
||
LogHelper.WriteLogToFile("所有方法都失败，强制结束WPS进程", LogHelper.LogType.Warning);
|
||
_wpsProcess.Kill();
|
||
LogHelper.WriteLogToFile("WPS进程已强制结束", LogHelper.LogType.Event);
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"强制结束WPS进程失败: {ex}", LogHelper.LogType.Error);
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"安全结束WPS进程时发生异常: {ex}", LogHelper.LogType.Error);
|
||
}
|
||
finally
|
||
{
|
||
// 确保清理状态
|
||
if (CurrentSlide != null && Marshal.IsComObject(CurrentSlide))
|
||
{
|
||
try { Marshal.ReleaseComObject(CurrentSlide); } catch { }
|
||
}
|
||
if (CurrentSlides != null && Marshal.IsComObject(CurrentSlides))
|
||
{
|
||
try { Marshal.ReleaseComObject(CurrentSlides); } catch { }
|
||
}
|
||
if (CurrentPresentation != null && Marshal.IsComObject(CurrentPresentation))
|
||
{
|
||
try { Marshal.ReleaseComObject(CurrentPresentation); } catch { }
|
||
}
|
||
if (PPTApplication != null && Marshal.IsComObject(PPTApplication))
|
||
{
|
||
try { Marshal.ReleaseComObject(PPTApplication); } catch { }
|
||
}
|
||
|
||
CurrentSlide = null;
|
||
CurrentSlides = null;
|
||
CurrentPresentation = null;
|
||
PPTApplication = null;
|
||
SlidesCount = 0;
|
||
StopWpsProcessCheckTimer();
|
||
|
||
bool wasConnected = _cachedIsConnected;
|
||
_cachedIsConnected = false;
|
||
_cachedIsInSlideShow = false;
|
||
if (wasConnected)
|
||
{
|
||
PPTConnectionChanged?.Invoke(false);
|
||
}
|
||
|
||
LogHelper.WriteLogToFile("WPS进程结束后已清理所有COM对象并重启连接检查", LogHelper.LogType.Event);
|
||
}
|
||
}
|
||
|
||
|
||
|
||
private void StopWpsProcessCheckTimer()
|
||
{
|
||
if (_wpsProcessCheckTimer != null)
|
||
{
|
||
_wpsProcessCheckTimer.Stop();
|
||
_wpsProcessCheckTimer.Dispose();
|
||
_wpsProcessCheckTimer = null;
|
||
}
|
||
|
||
_wpsProcess = null;
|
||
_hasWpsProcessId = false;
|
||
_wpsProcessRecordTime = DateTime.MinValue;
|
||
_wpsProcessCheckCount = 0;
|
||
_lastForegroundWpsWindow = null;
|
||
_lastWindowCheckTime = DateTime.MinValue;
|
||
}
|
||
#endregion
|
||
|
||
#region WPS Window Detection
|
||
[DllImport("user32.dll")]
|
||
private static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint lpdwProcessId);
|
||
|
||
[DllImport("user32.dll")]
|
||
private static extern bool EnumWindows(EnumWindowsProc lpEnumFunc, IntPtr lParam);
|
||
|
||
[DllImport("user32.dll")]
|
||
private static extern int GetWindowText(IntPtr hWnd, StringBuilder lpString, int nMaxCount);
|
||
|
||
[DllImport("user32.dll")]
|
||
private static extern int GetWindowTextLength(IntPtr hWnd);
|
||
|
||
[DllImport("user32.dll")]
|
||
[return: MarshalAs(UnmanagedType.Bool)]
|
||
private static extern bool IsWindowVisible(IntPtr hWnd);
|
||
|
||
[DllImport("user32.dll")]
|
||
private static extern bool IsIconic(IntPtr hWnd);
|
||
|
||
[DllImport("user32.dll")]
|
||
private static extern bool IsZoomed(IntPtr hWnd);
|
||
|
||
[DllImport("user32.dll")]
|
||
private static extern IntPtr GetForegroundWindow();
|
||
|
||
[DllImport("user32.dll")]
|
||
private static extern bool IsWindow(IntPtr hWnd);
|
||
|
||
[DllImport("user32.dll")]
|
||
private static extern bool GetWindowRect(IntPtr hWnd, out RECT lpRect);
|
||
|
||
[StructLayout(LayoutKind.Sequential)]
|
||
public struct RECT
|
||
{
|
||
public int Left;
|
||
public int Top;
|
||
public int Right;
|
||
public int Bottom;
|
||
|
||
public int Width => Right - Left;
|
||
public int Height => Bottom - Top;
|
||
}
|
||
|
||
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
|
||
private static extern int GetClassName(IntPtr hWnd, StringBuilder lpClassName, int nMaxCount);
|
||
|
||
private delegate bool EnumWindowsProc(IntPtr hWnd, IntPtr lParam);
|
||
|
||
private class WpsWindowInfo
|
||
{
|
||
public IntPtr Handle { get; set; }
|
||
public string Title { get; set; }
|
||
public string ClassName { get; set; }
|
||
public bool IsVisible { get; set; }
|
||
public bool IsMinimized { get; set; }
|
||
public bool IsMaximized { get; set; }
|
||
public RECT Rect { get; set; }
|
||
public uint ProcessId { get; set; }
|
||
public string ProcessName { get; set; }
|
||
}
|
||
|
||
private WpsWindowInfo GetForegroundWpsWindow()
|
||
{
|
||
try
|
||
{
|
||
var foregroundHwnd = GetForegroundWindow();
|
||
if (foregroundHwnd != IntPtr.Zero && IsWindow(foregroundHwnd))
|
||
{
|
||
var windowInfo = GetWindowInfo(foregroundHwnd);
|
||
if (IsWpsWindow(windowInfo))
|
||
{
|
||
return windowInfo;
|
||
}
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"获取前台WPS窗口失败: {ex}", LogHelper.LogType.Error);
|
||
}
|
||
return null;
|
||
}
|
||
|
||
private WpsWindowInfo GetWindowInfo(IntPtr hWnd)
|
||
{
|
||
var windowInfo = new WpsWindowInfo
|
||
{
|
||
Handle = hWnd,
|
||
IsVisible = IsWindowVisible(hWnd),
|
||
IsMinimized = IsIconic(hWnd),
|
||
IsMaximized = IsZoomed(hWnd)
|
||
};
|
||
|
||
// 获取窗口标题
|
||
var windowTitle = new StringBuilder(256);
|
||
GetWindowText(hWnd, windowTitle, 256);
|
||
windowInfo.Title = windowTitle.ToString().Trim();
|
||
|
||
// 获取窗口类名
|
||
var className = new StringBuilder(256);
|
||
GetClassName(hWnd, className, 256);
|
||
windowInfo.ClassName = className.ToString().Trim();
|
||
|
||
// 获取窗口位置
|
||
GetWindowRect(hWnd, out RECT rect);
|
||
windowInfo.Rect = rect;
|
||
|
||
// 获取进程ID
|
||
uint processId;
|
||
GetWindowThreadProcessId(hWnd, out processId);
|
||
windowInfo.ProcessId = processId;
|
||
|
||
// 获取进程名
|
||
windowInfo.ProcessName = "";
|
||
try
|
||
{
|
||
var proc = Process.GetProcessById((int)processId);
|
||
windowInfo.ProcessName = proc.ProcessName.ToLower();
|
||
}
|
||
catch { }
|
||
|
||
return windowInfo;
|
||
}
|
||
|
||
private bool IsWpsWindow(WpsWindowInfo windowInfo)
|
||
{
|
||
if (string.IsNullOrEmpty(windowInfo.Title) && string.IsNullOrEmpty(windowInfo.ClassName))
|
||
return false;
|
||
|
||
var title = windowInfo.Title.ToLower();
|
||
var className = windowInfo.ClassName.ToLower();
|
||
var processName = windowInfo.ProcessName ?? "";
|
||
|
||
// WPS相关关键词
|
||
var wpsKeywords = new[] { "wps", "wpp", "kingsoft", "金山", "wps演示", "wps presentation", "wps office", "kingsoft office" };
|
||
// 微软Office相关进程名
|
||
var msOfficeProcess = new[] { "powerpnt", "excel", "word", "onenote", "outlook", "microsoftoffice", "office" };
|
||
|
||
// 只要进程名是微软Office，直接排除
|
||
if (msOfficeProcess.Any(keyword => processName.Contains(keyword)))
|
||
return false;
|
||
|
||
// 只要进程名是WPS/WPP/Kingsoft，直接通过
|
||
if (wpsKeywords.Any(keyword => processName.Contains(keyword)))
|
||
return true;
|
||
|
||
// 标题或类名包含WPS相关关键词
|
||
bool hasWpsTitle = wpsKeywords.Any(keyword => title.Contains(keyword));
|
||
bool hasWpsClass = wpsKeywords.Any(keyword => className.Contains(keyword));
|
||
bool isWpsClass = className.Contains("wps") || className.Contains("kingsoft") || className.Contains("wpp");
|
||
bool hasValidSize = (windowInfo.Rect.Right - windowInfo.Rect.Left) > 0 && (windowInfo.Rect.Bottom - windowInfo.Rect.Top) > 0;
|
||
|
||
return (hasWpsTitle || hasWpsClass || isWpsClass) && hasValidSize;
|
||
}
|
||
|
||
private List<Process> GetWpsProcesses()
|
||
{
|
||
var wpsProcesses = new List<Process>();
|
||
try
|
||
{
|
||
var allProcesses = Process.GetProcesses();
|
||
foreach (var process in allProcesses)
|
||
{
|
||
try
|
||
{
|
||
var pname = process.ProcessName.ToLower();
|
||
|
||
// 精确的WPS进程名匹配，避免误杀
|
||
var exactWpsNames = new[] { "wps", "wpp", "et", "wpspdf", "wpsoffice" };
|
||
var microsoftOfficeNames = new[] { "powerpnt", "excel", "word", "onenote", "outlook", "winword", "msaccess" };
|
||
|
||
// 排除微软Office进程
|
||
if (microsoftOfficeNames.Any(name => pname.Contains(name)))
|
||
{
|
||
continue;
|
||
}
|
||
|
||
// 精确匹配WPS进程名
|
||
bool isWpsProcess = exactWpsNames.Any(name => pname.Equals(name) || pname.StartsWith(name + "."));
|
||
|
||
// 额外验证：检查进程路径
|
||
if (isWpsProcess)
|
||
{
|
||
try
|
||
{
|
||
var processPath = process.MainModule?.FileName?.ToLower() ?? "";
|
||
if (processPath.Contains("kingsoft") || processPath.Contains("wps office"))
|
||
{
|
||
wpsProcesses.Add(process);
|
||
}
|
||
}
|
||
catch
|
||
{
|
||
// 无法访问进程路径时，基于进程名判断
|
||
if (exactWpsNames.Contains(pname))
|
||
{
|
||
wpsProcesses.Add(process);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"检查进程{process.ProcessName}失败: {ex}", LogHelper.LogType.Error);
|
||
}
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"获取WPS进程失败: {ex}", LogHelper.LogType.Error);
|
||
}
|
||
|
||
return wpsProcesses;
|
||
}
|
||
|
||
private bool IsForegroundWpsWindowStillActive()
|
||
{
|
||
try
|
||
{
|
||
var currentTime = DateTime.Now;
|
||
var currentForegroundWindow = GetForegroundWpsWindow();
|
||
|
||
// 检查窗口状态是否发生变化
|
||
if (_lastForegroundWpsWindow != null && currentForegroundWindow != null)
|
||
{
|
||
if (_lastForegroundWpsWindow.Handle != currentForegroundWindow.Handle ||
|
||
_lastForegroundWpsWindow.Title != currentForegroundWindow.Title)
|
||
{
|
||
}
|
||
}
|
||
else if (_lastForegroundWpsWindow == null && currentForegroundWindow != null)
|
||
{
|
||
}
|
||
else if (_lastForegroundWpsWindow != null && currentForegroundWindow == null)
|
||
{
|
||
}
|
||
|
||
// 更新记录
|
||
_lastForegroundWpsWindow = currentForegroundWindow;
|
||
_lastWindowCheckTime = currentTime;
|
||
|
||
if (currentForegroundWindow != null)
|
||
{
|
||
if (IsWindow(currentForegroundWindow.Handle) && IsWindowVisible(currentForegroundWindow.Handle))
|
||
{
|
||
return true;
|
||
}
|
||
}
|
||
|
||
// 检查所有WPS进程的活跃窗口
|
||
var wpsProcesses = GetWpsProcesses();
|
||
foreach (var process in wpsProcesses)
|
||
{
|
||
var windows = GetWpsWindowsByProcess(process.Id);
|
||
if (windows.Any(w => w.IsVisible && !w.IsMinimized && w.Handle == GetForegroundWindow()))
|
||
{
|
||
return true;
|
||
}
|
||
}
|
||
|
||
return false;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"检查前台WPS窗口状态失败: {ex}", LogHelper.LogType.Error);
|
||
return false;
|
||
}
|
||
}
|
||
|
||
private List<WpsWindowInfo> GetWpsWindowsByProcess(int processId)
|
||
{
|
||
var wpsWindows = new List<WpsWindowInfo>();
|
||
|
||
try
|
||
{
|
||
EnumWindows((hWnd, lParam) =>
|
||
{
|
||
try
|
||
{
|
||
if (!IsWindow(hWnd)) return true;
|
||
|
||
uint windowProcessId;
|
||
GetWindowThreadProcessId(hWnd, out windowProcessId);
|
||
|
||
if ((int)windowProcessId == processId)
|
||
{
|
||
var windowInfo = GetWindowInfo(hWnd);
|
||
if (IsWpsWindow(windowInfo))
|
||
{
|
||
wpsWindows.Add(windowInfo);
|
||
}
|
||
}
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"枚举窗口时出错: {ex}", LogHelper.LogType.Error);
|
||
}
|
||
return true;
|
||
}, IntPtr.Zero);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
LogHelper.WriteLogToFile($"获取WPS窗口失败: {ex}", LogHelper.LogType.Error);
|
||
}
|
||
|
||
return wpsWindows;
|
||
}
|
||
#endregion
|
||
|
||
#region Window Handle Methods
|
||
/// <summary>
|
||
/// 获取PPT窗口句柄
|
||
/// </summary>
|
||
/// <returns>窗口句柄，如果获取失败返回 IntPtr.Zero</returns>
|
||
public IntPtr GetPptHwnd()
|
||
{
|
||
IntPtr ret = IntPtr.Zero;
|
||
|
||
// 方法1: 尝试从 SlideShowWindow 获取
|
||
ret = GetPptHwndFromSlideShowWindow(_pptSlideShowWindow);
|
||
|
||
if (ret == IntPtr.Zero)
|
||
{
|
||
// 方法2: 通过窗口标题匹配获取（备用方法）
|
||
try
|
||
{
|
||
if (_pptActivePresentation != null && PPTApplication != null)
|
||
{
|
||
dynamic pres = _pptActivePresentation;
|
||
string fullName = pres.FullName;
|
||
string appName = PPTApplication.Name;
|
||
ret = GetPptHwndWin32(fullName, appName);
|
||
}
|
||
}
|
||
catch (Exception)
|
||
{
|
||
}
|
||
}
|
||
|
||
return ret;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 从 SlideShowWindow 对象获取窗口句柄
|
||
/// </summary>
|
||
private IntPtr GetPptHwndFromSlideShowWindow(object pptSlideShowWindowObj)
|
||
{
|
||
IntPtr hwnd = IntPtr.Zero;
|
||
if (pptSlideShowWindowObj == null) return IntPtr.Zero;
|
||
|
||
try
|
||
{
|
||
// 尝试强类型转换
|
||
Microsoft.Office.Interop.PowerPoint.SlideShowWindow slideWindow =
|
||
pptSlideShowWindowObj as Microsoft.Office.Interop.PowerPoint.SlideShowWindow;
|
||
|
||
if (slideWindow != null)
|
||
{
|
||
int hwndVal = slideWindow.HWND;
|
||
hwnd = new IntPtr(hwndVal);
|
||
}
|
||
else
|
||
{
|
||
// 如果强类型转换失败，尝试使用dynamic
|
||
try
|
||
{
|
||
dynamic ssw = pptSlideShowWindowObj;
|
||
int hwndVal = ssw.HWND;
|
||
hwnd = new IntPtr(hwndVal);
|
||
}
|
||
catch (Exception)
|
||
{
|
||
}
|
||
}
|
||
}
|
||
catch (Exception)
|
||
{
|
||
}
|
||
|
||
return hwnd;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 通过窗口标题匹配获取PPT窗口句柄（备用方法）
|
||
/// </summary>
|
||
private IntPtr GetPptHwndWin32(string presFullName, string appName)
|
||
{
|
||
try
|
||
{
|
||
// 步骤 A: 基础参数校验
|
||
if (string.IsNullOrWhiteSpace(presFullName) || string.IsNullOrWhiteSpace(appName))
|
||
{
|
||
return IntPtr.Zero;
|
||
}
|
||
|
||
// 步骤 B: 提取关键信息 (应用类型 & 文件名)
|
||
string targetAppKeyword;
|
||
if (appName.IndexOf("WPS", StringComparison.OrdinalIgnoreCase) >= 0)
|
||
{
|
||
targetAppKeyword = "WPS";
|
||
}
|
||
else if (appName.IndexOf("PowerPoint", StringComparison.OrdinalIgnoreCase) >= 0)
|
||
{
|
||
targetAppKeyword = "PowerPoint";
|
||
}
|
||
else
|
||
{
|
||
// 既不是 WPS 也不是 PowerPoint，视为不支持
|
||
return IntPtr.Zero;
|
||
}
|
||
|
||
// 从路径中安全提取文件名（包含扩展名），如 "myppt.pptx"
|
||
string targetFileName = System.IO.Path.GetFileName(presFullName);
|
||
if (string.IsNullOrWhiteSpace(targetFileName))
|
||
{
|
||
return IntPtr.Zero;
|
||
}
|
||
|
||
// 步骤 C: 枚举窗口并查找匹配项
|
||
List<IntPtr> candidates = new List<IntPtr>();
|
||
|
||
// 调用 EnumWindows，使用 Lambda 表达式直接嵌入回调逻辑
|
||
EnumWindows((hWnd, lParam) =>
|
||
{
|
||
try
|
||
{
|
||
// [安全过滤] 1. 忽略不可见窗口
|
||
if (!IsWindowVisible(hWnd)) return true;
|
||
|
||
// [安全获取] 2. 获取窗口标题长度
|
||
int length = GetWindowTextLength(hWnd);
|
||
if (length == 0) return true;
|
||
|
||
// [安全获取] 3. 获取窗口标题文本
|
||
StringBuilder sb = new StringBuilder(length + 1);
|
||
GetWindowText(hWnd, sb, sb.Capacity);
|
||
string title = sb.ToString();
|
||
|
||
if (string.IsNullOrWhiteSpace(title)) return true;
|
||
|
||
// [核心匹配] 4. 判断标题是否同时包含 "文件名" 和 "应用关键字"
|
||
bool hasFileName = title.IndexOf(targetFileName, StringComparison.OrdinalIgnoreCase) >= 0;
|
||
bool hasAppKey = title.IndexOf(targetAppKeyword, StringComparison.OrdinalIgnoreCase) >= 0;
|
||
|
||
if (hasFileName && hasAppKey)
|
||
{
|
||
candidates.Add(hWnd);
|
||
}
|
||
|
||
// 继续枚举其他窗口
|
||
return true;
|
||
}
|
||
catch
|
||
{
|
||
// 回调内部容错，忽略单个窗口获取信息的错误，继续枚举
|
||
return true;
|
||
}
|
||
}, IntPtr.Zero);
|
||
|
||
// 步骤 D: 结果判定
|
||
// 只有当匹配到的窗口数量 唯一 (Count == 1) 时才返回句柄
|
||
// 0 个表示没找到，>1 个表示有歧义（无法确定是哪一个），均视为失败
|
||
if (candidates.Count == 1)
|
||
{
|
||
return candidates[0];
|
||
}
|
||
else if (candidates.Count > 1)
|
||
{
|
||
}
|
||
|
||
return IntPtr.Zero;
|
||
}
|
||
catch (Exception)
|
||
{
|
||
// 发生任何不可预知的异常（如Path解析错误等），返回安全值
|
||
return IntPtr.Zero;
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region Dispose
|
||
public void Dispose()
|
||
{
|
||
if (!_disposed)
|
||
{
|
||
StopMonitoring();
|
||
StopWpsProcessCheckTimer();
|
||
|
||
_disposed = true;
|
||
}
|
||
}
|
||
#endregion
|
||
}
|
||
}
|
||
|
||
|