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
}
}