using System; using System.Collections.Generic; using System.Diagnostics; using System.Linq; using System.Runtime.InteropServices; using System.Text; using System.Threading; using System.Windows.Threading; namespace Ink_Canvas.Helpers { /// /// 悬浮窗拦截器 - 检测和隐藏指定的悬浮窗 /// public class FloatingWindowInterceptor : IDisposable { #region Windows API Declarations [DllImport("user32.dll")] private static extern bool EnumWindows(EnumWindowsProc enumProc, IntPtr lParam); [DllImport("user32.dll")] private static extern bool EnumChildWindows(IntPtr hWndParent, EnumWindowsProc enumProc, IntPtr lParam); [DllImport("user32.dll")] private static extern IntPtr GetWindowThreadProcessId(IntPtr hWnd, out uint processId); [DllImport("user32.dll")] private static extern bool IsWindowVisible(IntPtr hWnd); [DllImport("user32.dll")] private static extern int GetWindowText(IntPtr hWnd, StringBuilder lpString, int nMaxCount); [DllImport("user32.dll")] private static extern int GetClassName(IntPtr hWnd, StringBuilder lpClassName, int nMaxCount); [DllImport("user32.dll")] private static extern bool ShowWindow(IntPtr hWnd, int nCmdShow); [DllImport("user32.dll")] private static extern bool IsIconic(IntPtr hWnd); [DllImport("user32.dll")] private static extern IntPtr GetWindow(IntPtr hWnd, uint uCmd); [DllImport("user32.dll")] private static extern uint GetWindowLong(IntPtr hWnd, int nIndex); [DllImport("user32.dll")] private static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int X, int Y, int cx, int cy, uint uFlags); [DllImport("user32.dll")] private static extern bool IsWindow(IntPtr hWnd); [DllImport("user32.dll")] private static extern bool GetWindowRect(IntPtr hWnd, out ForegroundWindowInfo.RECT lpRect); [DllImport("kernel32.dll")] private static extern IntPtr OpenProcess(uint dwDesiredAccess, bool bInheritHandle, uint dwProcessId); [DllImport("kernel32.dll")] private static extern bool CloseHandle(IntPtr hObject); [DllImport("kernel32.dll")] private static extern int GetProcessImageFileName(IntPtr hProcess, StringBuilder lpImageFileName, int nSize); private delegate bool EnumWindowsProc(IntPtr hWnd, IntPtr lParam); private const int SW_HIDE = 0; private const int SW_SHOW = 1; private const int SW_MINIMIZE = 6; private const int SW_RESTORE = 9; private const int GWL_EXSTYLE = -20; private const uint WS_EX_TOOLWINDOW = 0x00000080; private const uint WS_EX_APPWINDOW = 0x00040000; private const uint SWP_NOMOVE = 0x0002; private const uint SWP_NOSIZE = 0x0001; private const uint SWP_NOZORDER = 0x0004; private const uint SWP_HIDEWINDOW = 0x0080; private const uint PROCESS_QUERY_INFORMATION = 0x0400; private const uint PROCESS_VM_READ = 0x0010; #endregion #region 拦截规则定义 /// /// 拦截规则类型 /// public enum InterceptType { /// /// 希沃白板3 桌面悬浮窗 /// SeewoWhiteboard3Floating, /// /// 希沃白板5 桌面悬浮窗 /// SeewoWhiteboard5Floating, /// /// 希沃白板5C 桌面悬浮窗 /// SeewoWhiteboard5CFloating, /// /// 希沃品课教师端 桌面悬浮窗 /// SeewoPincoSideBarFloating, /// /// 希沃品课教师端 画笔悬浮窗(包括PPT控件) /// SeewoPincoDrawingFloating, /// /// 希沃品课教师端 桌面画板 /// SeewoPincoBoardService, /// /// 希沃PPT小工具 /// SeewoPPTFloating, /// /// AiClass 桌面悬浮窗 /// AiClassFloating, /// /// 鸿合屏幕书写 /// HiteAnnotationFloating, /// /// 畅言智慧课堂 主栏悬浮窗 /// ChangYanFloating, /// /// 畅言智慧课堂 画笔设置 /// ChangYanBrushSettings, /// /// 畅言智慧课堂 滑动清除 /// ChangYanSwipeClear, /// /// 畅言智慧课堂 互动 /// ChangYanInteraction, /// /// 畅言智慧课堂 学科应用 /// ChangYanSubjectApp, /// /// 畅言智慧课堂 管控 /// ChangYanControl, /// /// 畅言智慧课堂 通用工具 /// ChangYanCommonTools, /// /// 畅言智慧课堂 场景工具栏 /// ChangYanSceneToolbar, /// /// 畅言智慧课堂 绘制窗口 /// ChangYanDrawWindow, /// /// 畅言智慧课堂 PPT悬浮窗 /// ChangYanPptFloating, /// /// 畅言智慧课堂 PPT页面控制 /// ChangYanPptPageControl, /// /// 畅言智慧课堂 PPT返回 /// ChangYanPptGoBack, /// /// 畅言智慧课堂 PPT预览 /// ChangYanPptPreview, /// /// 天喻教育云互动课堂 桌面悬浮窗(包括PPT控件) /// IntelligentClassFloating, /// /// 天喻教育云互动课堂 PPT悬浮窗 /// IntelligentClassPptFloating, /// /// 希沃桌面 画笔悬浮窗 /// SeewoDesktopAnnotationFloating, /// /// 希沃桌面 侧栏悬浮窗 /// SeewoDesktopSideBarFloating } /// /// 拦截规则 /// public class InterceptRule { public InterceptType Type { get; set; } public string ProcessName { get; set; } public string WindowTitlePattern { get; set; } public string ClassNamePattern { get; set; } public bool IsEnabled { get; set; } public bool RequiresAdmin { get; set; } public string Description { get; set; } public InterceptType? ParentType { get; set; } public List ChildTypes { get; set; } = new List(); } #endregion #region 私有字段 private readonly Dictionary _interceptRules; private readonly Dictionary _interceptedWindows; private readonly Timer _scanTimer; private readonly Dispatcher _dispatcher; private bool _isRunning; private bool _disposed; // 性能优化字段 private readonly Dictionary _lastScanTime = new Dictionary(); private readonly HashSet _knownWindows = new HashSet(); private readonly Dictionary _processLastScanTime = new Dictionary(); private int _consecutiveEmptyScans; private DateTime _lastSuccessfulScan = DateTime.Now; private readonly object _scanLock = new object(); #endregion #region 公共属性 public bool IsRunning => _isRunning; #endregion #region 事件 public event EventHandler WindowIntercepted; public event EventHandler WindowRestored; #endregion #region 构造函数 public FloatingWindowInterceptor() { _interceptRules = new Dictionary(); _interceptedWindows = new Dictionary(); _dispatcher = Dispatcher.CurrentDispatcher; InitializeRules(); _scanTimer = new Timer(ScanForWindows, null, Timeout.Infinite, Timeout.Infinite); } #endregion #region 初始化 private void InitializeRules() { // 希沃白板3 桌面悬浮窗 _interceptRules[InterceptType.SeewoWhiteboard3Floating] = new InterceptRule { Type = InterceptType.SeewoWhiteboard3Floating, ProcessName = "EasiNote", WindowTitlePattern = "Note", ClassNamePattern = "HwndWrapper[EasiNote.exe;;", IsEnabled = true, RequiresAdmin = false, Description = "希沃白板3 桌面悬浮窗" }; // 希沃白板5 桌面悬浮窗 _interceptRules[InterceptType.SeewoWhiteboard5Floating] = new InterceptRule { Type = InterceptType.SeewoWhiteboard5Floating, ProcessName = "EasiNote", WindowTitlePattern = "", ClassNamePattern = "HwndWrapper[EasiNote;;", IsEnabled = true, RequiresAdmin = false, Description = "希沃白板5 桌面悬浮窗" }; // 希沃白板5C 桌面悬浮窗 _interceptRules[InterceptType.SeewoWhiteboard5CFloating] = new InterceptRule { Type = InterceptType.SeewoWhiteboard5CFloating, ProcessName = "EasiNote5C", WindowTitlePattern = "", ClassNamePattern = "HwndWrapper[EasiNote5C;;", IsEnabled = true, RequiresAdmin = false, Description = "希沃白板5C 桌面悬浮窗" }; // 希沃品课教师端 桌面悬浮窗(父规则) _interceptRules[InterceptType.SeewoPincoSideBarFloating] = new InterceptRule { Type = InterceptType.SeewoPincoSideBarFloating, ProcessName = "ClassIn", WindowTitlePattern = "希沃品课——appBar", ClassNamePattern = "Chrome_WidgetWin_1", IsEnabled = true, RequiresAdmin = false, Description = "希沃品课教师端 桌面悬浮窗", ParentType = null, ChildTypes = new List { InterceptType.SeewoPincoDrawingFloating, InterceptType.SeewoPincoBoardService } }; // 希沃品课教师端 画笔悬浮窗(子规则) _interceptRules[InterceptType.SeewoPincoDrawingFloating] = new InterceptRule { Type = InterceptType.SeewoPincoDrawingFloating, ProcessName = "ClassIn", WindowTitlePattern = "希沃品课——integration", ClassNamePattern = "Chrome_WidgetWin_1", IsEnabled = true, RequiresAdmin = false, Description = "希沃品课教师端 画笔悬浮窗(包括PPT控件)", ParentType = InterceptType.SeewoPincoSideBarFloating, ChildTypes = new List() }; // 希沃品课教师端 桌面画板(子规则) _interceptRules[InterceptType.SeewoPincoBoardService] = new InterceptRule { Type = InterceptType.SeewoPincoBoardService, ProcessName = "BoardService", WindowTitlePattern = "", ClassNamePattern = "HwndWrapper[BoardService;;", IsEnabled = true, RequiresAdmin = false, Description = "希沃品课教师端 桌面画板", ParentType = InterceptType.SeewoPincoSideBarFloating, ChildTypes = new List() }; // 希沃PPT小工具 _interceptRules[InterceptType.SeewoPPTFloating] = new InterceptRule { Type = InterceptType.SeewoPPTFloating, ProcessName = "PPTService", WindowTitlePattern = "", ClassNamePattern = "HwndWrapper[PPTService.exe;;", IsEnabled = true, RequiresAdmin = false, Description = "希沃PPT小工具" }; // AiClass 桌面悬浮窗 _interceptRules[InterceptType.AiClassFloating] = new InterceptRule { Type = InterceptType.AiClassFloating, ProcessName = "ClassIn", WindowTitlePattern = "TransparentWindow", ClassNamePattern = "UIWndTransparent", IsEnabled = true, RequiresAdmin = false, Description = "AiClass 桌面悬浮窗" }; // 鸿合屏幕书写 _interceptRules[InterceptType.HiteAnnotationFloating] = new InterceptRule { Type = InterceptType.HiteAnnotationFloating, ProcessName = "HiteVision", WindowTitlePattern = "HiteAnnotation", ClassNamePattern = "Qt5QWindowToolSaveBits", IsEnabled = true, RequiresAdmin = false, Description = "鸿合屏幕书写" }; // 畅言智慧课堂 主栏悬浮窗(父规则) _interceptRules[InterceptType.ChangYanFloating] = new InterceptRule { Type = InterceptType.ChangYanFloating, ProcessName = "ClassIn", WindowTitlePattern = "ifly", ClassNamePattern = "Qt5QWindowOwnDCIcon", IsEnabled = true, RequiresAdmin = true, Description = "畅言智慧课堂 主栏悬浮窗", ParentType = null, ChildTypes = new List { InterceptType.ChangYanBrushSettings, InterceptType.ChangYanSwipeClear, InterceptType.ChangYanInteraction, InterceptType.ChangYanSubjectApp, InterceptType.ChangYanControl, InterceptType.ChangYanCommonTools, InterceptType.ChangYanSceneToolbar, InterceptType.ChangYanDrawWindow } }; // 畅言智慧课堂 画笔设置(子规则) _interceptRules[InterceptType.ChangYanBrushSettings] = new InterceptRule { Type = InterceptType.ChangYanBrushSettings, ProcessName = "ClassIn", WindowTitlePattern = "画笔设置", ClassNamePattern = "Qt5QWindowOwnDCIcon", IsEnabled = true, RequiresAdmin = true, Description = "畅言智慧课堂 画笔设置", ParentType = InterceptType.ChangYanFloating, ChildTypes = new List() }; // 畅言智慧课堂 滑动清除(子规则) _interceptRules[InterceptType.ChangYanSwipeClear] = new InterceptRule { Type = InterceptType.ChangYanSwipeClear, ProcessName = "ClassIn", WindowTitlePattern = "滑动清除", ClassNamePattern = "Qt5QWindowOwnDCIcon", IsEnabled = true, RequiresAdmin = true, Description = "畅言智慧课堂 滑动清除", ParentType = InterceptType.ChangYanFloating, ChildTypes = new List() }; // 畅言智慧课堂 互动(子规则) _interceptRules[InterceptType.ChangYanInteraction] = new InterceptRule { Type = InterceptType.ChangYanInteraction, ProcessName = "ClassIn", WindowTitlePattern = "互动", ClassNamePattern = "Qt5QWindowOwnDCIcon", IsEnabled = true, RequiresAdmin = true, Description = "畅言智慧课堂 互动", ParentType = InterceptType.ChangYanFloating, ChildTypes = new List() }; // 畅言智慧课堂 学科应用(子规则) _interceptRules[InterceptType.ChangYanSubjectApp] = new InterceptRule { Type = InterceptType.ChangYanSubjectApp, ProcessName = "ClassIn", WindowTitlePattern = "学科应用", ClassNamePattern = "Qt5QWindowOwnDCIcon", IsEnabled = true, RequiresAdmin = true, Description = "畅言智慧课堂 学科应用", ParentType = InterceptType.ChangYanFloating, ChildTypes = new List() }; // 畅言智慧课堂 管控(子规则) _interceptRules[InterceptType.ChangYanControl] = new InterceptRule { Type = InterceptType.ChangYanControl, ProcessName = "ClassIn", WindowTitlePattern = "管控", ClassNamePattern = "Qt5QWindowOwnDCIcon", IsEnabled = true, RequiresAdmin = true, Description = "畅言智慧课堂 管控", ParentType = InterceptType.ChangYanFloating, ChildTypes = new List() }; // 畅言智慧课堂 通用工具(子规则) _interceptRules[InterceptType.ChangYanCommonTools] = new InterceptRule { Type = InterceptType.ChangYanCommonTools, ProcessName = "ClassIn", WindowTitlePattern = "通用工具", ClassNamePattern = "Qt5QWindowOwnDCIcon", IsEnabled = true, RequiresAdmin = true, Description = "畅言智慧课堂 通用工具", ParentType = InterceptType.ChangYanFloating, ChildTypes = new List() }; // 畅言智慧课堂 场景工具栏(子规则) _interceptRules[InterceptType.ChangYanSceneToolbar] = new InterceptRule { Type = InterceptType.ChangYanSceneToolbar, ProcessName = "ClassIn", WindowTitlePattern = "SceneToolbar", ClassNamePattern = "Qt5QWindowOwnDCIcon", IsEnabled = true, RequiresAdmin = true, Description = "畅言智慧课堂 场景工具栏", ParentType = InterceptType.ChangYanFloating, ChildTypes = new List() }; // 畅言智慧课堂 绘制窗口(子规则) _interceptRules[InterceptType.ChangYanDrawWindow] = new InterceptRule { Type = InterceptType.ChangYanDrawWindow, ProcessName = "ClassIn", WindowTitlePattern = "DrawWindow", ClassNamePattern = "Qt5QWindowToolSaveBits", IsEnabled = true, RequiresAdmin = true, Description = "畅言智慧课堂 绘制窗口", ParentType = InterceptType.ChangYanFloating, ChildTypes = new List() }; // 畅言智慧课堂 PPT悬浮窗 _interceptRules[InterceptType.ChangYanPptFloating] = new InterceptRule { Type = InterceptType.ChangYanPptFloating, ProcessName = "ClassIn", WindowTitlePattern = "Exch", ClassNamePattern = "Qt5QWindowToolSaveBitsOwnDC", IsEnabled = true, RequiresAdmin = true, Description = "畅言智慧课堂 PPT悬浮窗", ParentType = null, ChildTypes = new List { InterceptType.ChangYanPptPageControl, InterceptType.ChangYanPptGoBack, InterceptType.ChangYanPptPreview } }; // 畅言智慧课堂 PPT页面控制(子规则) _interceptRules[InterceptType.ChangYanPptPageControl] = new InterceptRule { Type = InterceptType.ChangYanPptPageControl, ProcessName = "ClassIn", WindowTitlePattern = "PageCtl", ClassNamePattern = "Qt5QWindowToolSaveBitsOwnDC", IsEnabled = true, RequiresAdmin = true, Description = "畅言智慧课堂 PPT页面控制", ParentType = InterceptType.ChangYanPptFloating, ChildTypes = new List() }; // 畅言智慧课堂 PPT返回(子规则) _interceptRules[InterceptType.ChangYanPptGoBack] = new InterceptRule { Type = InterceptType.ChangYanPptGoBack, ProcessName = "ClassIn", WindowTitlePattern = "Goback", ClassNamePattern = "Qt5QWindowToolSaveBitsOwnDC", IsEnabled = true, RequiresAdmin = true, Description = "畅言智慧课堂 PPT返回", ParentType = InterceptType.ChangYanPptFloating, ChildTypes = new List() }; // 畅言智慧课堂 PPT预览(子规则) _interceptRules[InterceptType.ChangYanPptPreview] = new InterceptRule { Type = InterceptType.ChangYanPptPreview, ProcessName = "ClassIn", WindowTitlePattern = "Preview", ClassNamePattern = "Qt5QWindowToolSaveBitsOwnDC", IsEnabled = true, RequiresAdmin = true, Description = "畅言智慧课堂 PPT预览", ParentType = InterceptType.ChangYanPptFloating, ChildTypes = new List() }; // 天喻教育云互动课堂 桌面悬浮窗(父规则) _interceptRules[InterceptType.IntelligentClassFloating] = new InterceptRule { Type = InterceptType.IntelligentClassFloating, ProcessName = "IntelligentClassApp", WindowTitlePattern = "桌面小工具 - 互动课堂", ClassNamePattern = "HwndWrapper[IntelligentClassApp.exe;;", IsEnabled = true, RequiresAdmin = false, Description = "天喻教育云互动课堂 桌面悬浮窗(包括PPT控件)", ParentType = null, ChildTypes = new List { InterceptType.IntelligentClassPptFloating } }; // 天喻教育云互动课堂 PPT悬浮窗(子规则) _interceptRules[InterceptType.IntelligentClassPptFloating] = new InterceptRule { Type = InterceptType.IntelligentClassPptFloating, ProcessName = "IntelligentClass", WindowTitlePattern = "", ClassNamePattern = "HwndWrapper[IntelligentClass.Office.PowerPoint.vsto|vstolocal;VSTA_Main;", IsEnabled = true, RequiresAdmin = false, Description = "天喻教育云互动课堂 PPT悬浮窗", ParentType = InterceptType.IntelligentClassFloating, ChildTypes = new List() }; // 希沃桌面 画笔悬浮窗 _interceptRules[InterceptType.SeewoDesktopAnnotationFloating] = new InterceptRule { Type = InterceptType.SeewoDesktopAnnotationFloating, ProcessName = "DesktopAnnotation", WindowTitlePattern = "", ClassNamePattern = "HwndWrapper[DesktopAnnotation.exe;;", IsEnabled = true, RequiresAdmin = false, Description = "希沃桌面 画笔悬浮窗" }; // 希沃桌面 侧栏悬浮窗 _interceptRules[InterceptType.SeewoDesktopSideBarFloating] = new InterceptRule { Type = InterceptType.SeewoDesktopSideBarFloating, ProcessName = "ResidentSideBar", WindowTitlePattern = "ResidentSideBar", ClassNamePattern = "HwndWrapper[ResidentSideBar.exe;;", IsEnabled = true, RequiresAdmin = true, Description = "希沃桌面 侧栏悬浮窗" }; } #endregion #region 公共方法 /// /// 启动拦截器 /// public void Start(int scanIntervalMs = 5000) { if (_isRunning) return; _isRunning = true; _scanTimer.Change(0, Math.Max(scanIntervalMs, 2000)); } /// /// 停止拦截器 /// public void Stop() { if (!_isRunning) return; _isRunning = false; _scanTimer.Change(Timeout.Infinite, Timeout.Infinite); // 恢复所有被拦截的窗口 RestoreAllWindows(); } /// /// 设置拦截规则 /// public void SetInterceptRule(InterceptType type, bool enabled) { if (_interceptRules.ContainsKey(type)) { var rule = _interceptRules[type]; rule.IsEnabled = enabled; // 如果是父规则被禁用,则禁用所有子规则 if (!enabled && rule.ChildTypes.Count > 0) { foreach (var childType in rule.ChildTypes) { if (_interceptRules.ContainsKey(childType)) { _interceptRules[childType].IsEnabled = false; } } } // 如果是父规则被启用,则启用所有子规则 else if (enabled && rule.ChildTypes.Count > 0) { foreach (var childType in rule.ChildTypes) { if (_interceptRules.ContainsKey(childType)) { _interceptRules[childType].IsEnabled = true; } } } // 如果是子规则被禁用,检查是否需要禁用父规则 else if (!enabled && rule.ParentType.HasValue) { var parentRule = _interceptRules[rule.ParentType.Value]; // 检查是否还有其他启用的子规则 bool hasEnabledChildren = parentRule.ChildTypes.Any(childType => _interceptRules.ContainsKey(childType) && _interceptRules[childType].IsEnabled); // 如果没有启用的子规则,则禁用父规则 if (!hasEnabledChildren) { parentRule.IsEnabled = false; } } // 如果是子规则被启用,则启用父规则 else if (enabled && rule.ParentType.HasValue) { var parentRule = _interceptRules[rule.ParentType.Value]; parentRule.IsEnabled = true; } } } /// /// 获取拦截规则 /// public InterceptRule GetInterceptRule(InterceptType type) { return _interceptRules.ContainsKey(type) ? _interceptRules[type] : null; } /// /// 获取所有拦截规则 /// public Dictionary GetAllRules() { return new Dictionary(_interceptRules); } /// /// 手动扫描一次 /// public void ScanOnce() { ScanForWindows(null); } /// /// 恢复所有被拦截的窗口 /// public void RestoreAllWindows() { var windowsToRestore = new List(_interceptedWindows.Keys); foreach (var hWnd in windowsToRestore) { RestoreWindow(hWnd); } } /// /// 恢复指定窗口 /// public bool RestoreWindow(IntPtr hWnd) { if (!_interceptedWindows.ContainsKey(hWnd)) return false; if (IsWindow(hWnd)) { ShowWindow(hWnd, SW_RESTORE); _interceptedWindows.Remove(hWnd); WindowRestored?.Invoke(this, new WindowRestoredEventArgs { WindowHandle = hWnd, InterceptType = _interceptedWindows[hWnd] }); return true; } _interceptedWindows.Remove(hWnd); return false; } #endregion #region 私有方法 private void ScanForWindows(object state) { if (!_isRunning) return; lock (_scanLock) { try { var scanStartTime = DateTime.Now; var windowsFound = 0; var windowsIntercepted = 0; // 清理过期的缓存 CleanupExpiredCache(); // 使用优化的扫描策略 if (_consecutiveEmptyScans > 3) { // 如果连续多次扫描没有发现新窗口,使用快速扫描模式 PerformQuickScan(ref windowsFound, ref windowsIntercepted); } else { // 正常扫描模式 PerformFullScan(ref windowsFound, ref windowsIntercepted); } // 更新扫描统计 UpdateScanStatistics(windowsFound, windowsIntercepted, scanStartTime); // 动态调整扫描间隔 AdjustScanInterval(); } catch (Exception ex) { // 记录错误但不中断扫描 LogHelper.WriteLogToFile($"扫描窗口时发生错误: {ex.Message}", LogHelper.LogType.Error); _consecutiveEmptyScans++; } } } /// /// 执行快速扫描 - 只检查已知进程 /// private void PerformQuickScan(ref int windowsFound, ref int windowsIntercepted) { var targetProcesses = new HashSet(); var scanData = new ScanData { WindowsFound = 0, WindowsIntercepted = 0 }; // 收集所有启用的规则对应的进程名 foreach (var rule in _interceptRules.Values) { if (rule.IsEnabled && !string.IsNullOrEmpty(rule.ProcessName)) { targetProcesses.Add(rule.ProcessName.ToLower()); } } // 只扫描目标进程的窗口 foreach (var processName in targetProcesses) { try { var processes = Process.GetProcessesByName(processName); foreach (var process in processes) { if (process.MainWindowHandle != IntPtr.Zero) { ProcessWindow(process.MainWindowHandle, scanData); } } } catch { // 忽略进程访问错误 } } windowsFound = scanData.WindowsFound; windowsIntercepted = scanData.WindowsIntercepted; } /// /// 执行完整扫描 /// private void PerformFullScan(ref int windowsFound, ref int windowsIntercepted) { var scanData = new ScanData { WindowsFound = 0, WindowsIntercepted = 0 }; EnumWindows((hWnd, lParam) => { ProcessWindow(hWnd, scanData); return true; }, IntPtr.Zero); windowsFound = scanData.WindowsFound; windowsIntercepted = scanData.WindowsIntercepted; } /// /// 处理单个窗口 /// private bool ProcessWindow(IntPtr hWnd, ScanData scanData) { try { // 基本检查 if (!IsWindow(hWnd) || !IsWindowVisible(hWnd)) return true; // 检查是否已经被拦截 if (_interceptedWindows.ContainsKey(hWnd)) return true; // 检查缓存,避免重复处理 if (_knownWindows.Contains(hWnd)) { var lastScan = _lastScanTime.ContainsKey(hWnd) ? _lastScanTime[hWnd] : DateTime.MinValue; if (DateTime.Now - lastScan < TimeSpan.FromSeconds(30)) // 30秒内不重复处理 { return true; } } scanData.WindowsFound++; _knownWindows.Add(hWnd); _lastScanTime[hWnd] = DateTime.Now; // 获取窗口信息 var windowInfo = GetWindowInfo(hWnd); if (windowInfo == null) return true; // 检查进程缓存 if (_processLastScanTime.ContainsKey(windowInfo.ProcessName)) { var lastProcessScan = _processLastScanTime[windowInfo.ProcessName]; if (DateTime.Now - lastProcessScan < TimeSpan.FromSeconds(10)) // 10秒内不重复扫描同一进程 { return true; } } _processLastScanTime[windowInfo.ProcessName] = DateTime.Now; // 检查窗口样式,过滤掉系统窗口和主窗口 var exStyle = GetWindowLong(hWnd, GWL_EXSTYLE); var style = GetWindowLong(hWnd, -16); // GWL_STYLE // 跳过工具窗口 if ((exStyle & WS_EX_TOOLWINDOW) != 0) { return true; } // 跳过主窗口(有标题栏和系统菜单的窗口) const uint WS_CAPTION = 0x00C00000; const uint WS_SYSMENU = 0x00080000; if ((style & WS_CAPTION) != 0 && (style & WS_SYSMENU) != 0) { return true; } // 检查窗口大小,跳过过大的窗口 var rect = new ForegroundWindowInfo.RECT(); GetWindowRect(hWnd, out rect); var width = rect.Right - rect.Left; var height = rect.Bottom - rect.Top; if (width > 600 || height > 400) { return true; } // 检查是否匹配拦截规则 foreach (var rule in _interceptRules.Values) { if (!rule.IsEnabled) continue; if (MatchesRule(windowInfo, rule)) { InterceptWindow(hWnd, rule); scanData.WindowsIntercepted++; break; } } return true; } catch (Exception ex) { LogHelper.WriteLogToFile($"处理窗口时发生错误: {ex.Message}", LogHelper.LogType.Error); return true; } } /// /// 清理过期缓存 /// private void CleanupExpiredCache() { var now = DateTime.Now; var expiredWindows = new List(); var expiredProcesses = new List(); // 清理窗口缓存 foreach (var kvp in _lastScanTime) { if (now - kvp.Value > TimeSpan.FromMinutes(5)) { expiredWindows.Add(kvp.Key); } } foreach (var hWnd in expiredWindows) { _lastScanTime.Remove(hWnd); _knownWindows.Remove(hWnd); } // 清理进程缓存 foreach (var kvp in _processLastScanTime) { if (now - kvp.Value > TimeSpan.FromMinutes(2)) { expiredProcesses.Add(kvp.Key); } } foreach (var processName in expiredProcesses) { _processLastScanTime.Remove(processName); } } /// /// 更新扫描统计 /// private void UpdateScanStatistics(int windowsFound, int windowsIntercepted, DateTime scanStartTime) { var scanDuration = DateTime.Now - scanStartTime; if (windowsFound == 0) { _consecutiveEmptyScans++; } else { _consecutiveEmptyScans = 0; _lastSuccessfulScan = DateTime.Now; } } /// /// 动态调整扫描间隔 /// private void AdjustScanInterval() { if (!_isRunning) return; int newInterval; if (_consecutiveEmptyScans > 5) { // 连续多次空扫描,增加间隔到30秒 newInterval = 30000; } else if (_consecutiveEmptyScans > 3) { // 连续多次空扫描,增加间隔到15秒 newInterval = 15000; } else if (_consecutiveEmptyScans > 1) { // 连续空扫描,增加间隔到10秒 newInterval = 10000; } else { // 正常扫描,使用5秒间隔 newInterval = 5000; } // 更新定时器间隔 _scanTimer.Change(newInterval, newInterval); } private bool EnumWindowsCallback(IntPtr hWnd, IntPtr lParam) { // 这个方法现在由ProcessWindow替代,保留用于兼容性 return true; } private WindowInfo GetWindowInfo(IntPtr hWnd) { try { // 获取进程ID GetWindowThreadProcessId(hWnd, out uint processId); if (processId == 0) return null; // 获取进程信息 var process = Process.GetProcessById((int)processId); if (process == null) return null; // 获取窗口标题 var titleBuilder = new StringBuilder(256); GetWindowText(hWnd, titleBuilder, titleBuilder.Capacity); // 获取窗口类名 var classBuilder = new StringBuilder(256); GetClassName(hWnd, classBuilder, classBuilder.Capacity); return new WindowInfo { Handle = hWnd, ProcessId = processId, ProcessName = process.ProcessName, WindowTitle = titleBuilder.ToString(), ClassName = classBuilder.ToString(), Process = process }; } catch { return null; } } private bool MatchesRule(WindowInfo windowInfo, InterceptRule rule) { try { // 检查进程名(如果指定了进程名) if (!string.IsNullOrEmpty(rule.ProcessName)) { if (!windowInfo.ProcessName.ToLower().Contains(rule.ProcessName.ToLower())) { return false; } } // 检查窗口标题(如果指定了模式) if (!string.IsNullOrEmpty(rule.WindowTitlePattern)) { if (!windowInfo.WindowTitle.ToLower().Contains(rule.WindowTitlePattern.ToLower())) { return false; } } // 检查类名(如果指定了模式) if (!string.IsNullOrEmpty(rule.ClassNamePattern)) { if (!windowInfo.ClassName.ToLower().Contains(rule.ClassNamePattern.ToLower())) { return false; } } // 如果所有检查都通过,就认为是目标窗口 return true; } catch (Exception ex) { LogHelper.WriteLogToFile($"匹配规则时发生错误: {ex.Message}", LogHelper.LogType.Error); return false; } } private void InterceptWindow(IntPtr hWnd, InterceptRule rule) { try { // 使用多种方法隐藏窗口 // 方法1:移动到屏幕外 SetWindowPos(hWnd, IntPtr.Zero, -2000, -2000, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_HIDEWINDOW); // 方法2:最小化窗口 ShowWindow(hWnd, SW_MINIMIZE); // 方法3:隐藏窗口 ShowWindow(hWnd, SW_HIDE); // 记录拦截的窗口 _interceptedWindows[hWnd] = rule.Type; // 触发事件 WindowIntercepted?.Invoke(this, new WindowInterceptedEventArgs { WindowHandle = hWnd, InterceptType = rule.Type, Rule = rule, WindowTitle = GetWindowTitle(hWnd) }); } catch (Exception ex) { LogHelper.WriteLogToFile($"拦截窗口时发生错误: {ex.Message}", LogHelper.LogType.Error); } } private string GetWindowTitle(IntPtr hWnd) { try { var titleBuilder = new StringBuilder(256); GetWindowText(hWnd, titleBuilder, titleBuilder.Capacity); return titleBuilder.ToString(); } catch { return "Unknown"; } } private bool IsMainWindow(IntPtr hWnd) { try { // 检查是否有父窗口 var parent = GetWindow(hWnd, 4); // GW_OWNER if (parent != IntPtr.Zero) return false; // 检查窗口样式 var style = GetWindowLong(hWnd, -16); // GWL_STYLE var exStyle = GetWindowLong(hWnd, GWL_EXSTYLE); // 主窗口通常有 WS_CAPTION 和 WS_SYSMENU const uint WS_CAPTION = 0x00C00000; const uint WS_SYSMENU = 0x00080000; if ((style & WS_CAPTION) != 0 && (style & WS_SYSMENU) != 0) { return true; // 这可能是主窗口 } // 检查窗口大小,主窗口通常比较大 var rect = new ForegroundWindowInfo.RECT(); GetWindowRect(hWnd, out rect); var width = rect.Right - rect.Left; var height = rect.Bottom - rect.Top; // 如果窗口很大,可能是主窗口 if (width > 800 && height > 600) { return true; } return false; } catch { return false; } } #endregion #region 辅助类 private class WindowInfo { public IntPtr Handle { get; set; } public uint ProcessId { get; set; } public string ProcessName { get; set; } public string WindowTitle { get; set; } public string ClassName { get; set; } public Process Process { get; set; } } private class ScanData { public int WindowsFound { get; set; } public int WindowsIntercepted { get; set; } } #endregion #region 事件参数类 public class WindowInterceptedEventArgs : EventArgs { public IntPtr WindowHandle { get; set; } public InterceptType InterceptType { get; set; } public InterceptRule Rule { get; set; } public string WindowTitle { get; set; } } public class WindowRestoredEventArgs : EventArgs { public IntPtr WindowHandle { get; set; } public InterceptType InterceptType { get; set; } } #endregion #region IDisposable public void Dispose() { if (_disposed) return; Stop(); _scanTimer?.Dispose(); // 恢复所有被拦截的窗口 RestoreAllWindows(); _disposed = true; } #endregion } }