private WinEventProc WinEventProc(string windowName)
{
return((IntPtr hWinEventHook, WindowsEventHookType eventType, IntPtr hWnd, int idObject, int idChild, int dwEventThread, uint dwmsEventTime) =>
{
GetWindowThreadProcessId(hWnd, out var targetProcessId);
var isTarget = targetProcessId == _targetProcessId;
switch (eventType)
{
case WindowsEventHookType.EVENT_SYSTEM_FOREGROUND:
OnForeground?.Invoke(this, isTarget);
break;
case WindowsEventHookType.EVENT_SYSTEM_MINIMIZESTART:
if (!isTarget)
{
return;
}
OnMinimized?.Invoke(this, true);
return;
case WindowsEventHookType.EVENT_SYSTEM_MINIMIZEEND:
if (!isTarget)
{
return;
}
OnMinimized?.Invoke(this, false);
break;
case WindowsEventHookType.EVENT_SYSTEM_MOVESIZEEND:
case WindowsEventHookType.EVENT_OBJECT_LOCATIONCHANGE:
if (!isTarget)
{
return;
}
OnMoveOrSizeChanged?.Invoke(this, null);
break;
case WindowsEventHookType.EVENT_OBJECT_REORDER:
if (!isTarget)
{
return;
}
if (idObject != 0 /* WindowObjId*/)
{
return;
}
OnBorderChanged?.Invoke(this, null);
break;
default:
if (isTarget)
{
OnMessageSent?.Invoke(this, null);
}
return;
}
});
}
protected override void OnResume()
{
OnForeground?.Invoke(this, EventArgs.Empty);
}
private void OnApplicationPause(bool pauseStatus)
{
OnForeground?.Invoke(this, !pauseStatus);
}
