protected void OnRenderQuit() { if (WallpaperManager.Initalized) { Cef.Shutdown(); } WallpaperManager.HideWindow(); if (wallpaperHandle != IntPtr.Zero) { DesktopTool.RemoveFromWallpaperArea(wallpaperHandle); DesktopTool.UpdateWallpaper(); wallpaperHandle = IntPtr.Zero; } Application.Exit(); }