internal void ShowWallpaper(IntPtr wallpaperHandle)
{
IntPtr hostForm = IntPtr.Zero;
WallpaperApi.UIInvoke(() =>
{
try
{
Controls.Clear();
Opacity = 1;
hostForm = Handle;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine($"ShowWallpaper ex:{ex}");
}
});
//hostfrom下潜桌面
WallpaperHelper.GetInstance(_screenName).SendToBackground(hostForm);
//壁纸parent改为hostform
User32Wrapper.SetParent(wallpaperHandle, hostForm);
//把壁纸全屏铺满 hostform
WallpaperHelper.FullScreen(wallpaperHandle, hostForm);
}
private void LoadApplication(string path, IntPtr containerHandle)
{
try
{
Stopwatch sw = new Stopwatch();
sw.Start();
int timeout = 10 * 1000; // Timeout value (10s) in case we want to cancel the task if it's taking too long.
ProcessStartInfo info = new ProcessStartInfo(path);
info.WindowStyle = ProcessWindowStyle.Maximized;
info.CreateNoWindow = true;
Process targetProcess = Process.Start(info);
while (targetProcess.MainWindowHandle == IntPtr.Zero)
{
System.Threading.Thread.Sleep(10);
int pid = targetProcess.Id;
targetProcess.Dispose();
//mainWindowHandle不会变，重新获取
targetProcess = Process.GetProcessById(pid);
if (sw.ElapsedMilliseconds > timeout)
{
sw.Stop();
return;
}
}
_currentTargetHandle = targetProcess.MainWindowHandle;
_currentPid = targetProcess.Id;
DesktopMouseEventReciver.HTargetWindows.Add(_currentTargetHandle);
// 用当前窗口显示exe
SetParent(_currentTargetHandle, containerHandle);
WallpaperHelper.FullScreen(_currentTargetHandle, containerHandle);
}
catch (Exception ex)
{
}
}
