private bool EventWindowIsValid(int idChild, Win32.OBJID idObject, IntPtr hwnd)
{
return(idChild == Win32.CHILDID_SELF && idObject == Win32.OBJID.OBJID_WINDOW && hwnd != IntPtr.Zero);
}
private void WindowHook(IntPtr hWinEventHook, Win32.EVENT_CONSTANTS eventType, IntPtr hwnd, Win32.OBJID idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
{
if (EventWindowIsValid(idChild, idObject, hwnd))
{
switch (eventType)
{
case Win32.EVENT_CONSTANTS.EVENT_OBJECT_SHOW:
RegisterWindow(hwnd);
break;
case Win32.EVENT_CONSTANTS.EVENT_OBJECT_DESTROY:
UnregisterWindow(hwnd);
break;
case Win32.EVENT_CONSTANTS.EVENT_OBJECT_CLOAKED:
UpdateWindow(hwnd, WindowUpdateType.Hide);
break;
case Win32.EVENT_CONSTANTS.EVENT_OBJECT_UNCLOAKED:
UpdateWindow(hwnd, WindowUpdateType.Show);
break;
case Win32.EVENT_CONSTANTS.EVENT_SYSTEM_MINIMIZESTART:
UpdateWindow(hwnd, WindowUpdateType.MinimizeStart);
break;
case Win32.EVENT_CONSTANTS.EVENT_SYSTEM_MINIMIZEEND:
UpdateWindow(hwnd, WindowUpdateType.MinimizeEnd);
break;
case Win32.EVENT_CONSTANTS.EVENT_SYSTEM_FOREGROUND:
UpdateWindow(hwnd, WindowUpdateType.Foreground);
break;
case Win32.EVENT_CONSTANTS.EVENT_OBJECT_NAMECHANGE:
UpdateWindow(hwnd, WindowUpdateType.TitleChange);
break;
case Win32.EVENT_CONSTANTS.EVENT_SYSTEM_MOVESIZESTART:
StartWindowMove(hwnd);
break;
case Win32.EVENT_CONSTANTS.EVENT_SYSTEM_MOVESIZEEND:
EndWindowMove(hwnd);
break;
case Win32.EVENT_CONSTANTS.EVENT_OBJECT_LOCATIONCHANGE:
WindowMove(hwnd);
break;
}
}
}
