public WallpaperManager()
{
progman = Wallpainter.SetupWallpaper();
if (progman == IntPtr.Zero)
{
throw new InvalidOperationException("Failed to retrieve progman!");
}
}
/// <summary>
/// Clear the wallpaper by closing all the children of progman
/// </summary>
/// <param name="killChildren"></param>
/// <returns></returns>
public static void ClearWallpaper(bool killChildren)
{
IntPtr progman = Wallpainter.GetProgman();
//TODO: Restore the style too. Saved styles aren't available in a static context
WinAPI.EnumChildWindows(progman, new WinAPI.EnumWindowsProc((tophandle, topparamhandle) =>
{
WinAPI.SetParent(tophandle, IntPtr.Zero);
//Gracefully try to close the application
if (killChildren)
{
WinAPI.SendMessage(tophandle, WinAPI.WM_CLOSE, IntPtr.Zero, IntPtr.Zero);
}
return(true);
}), IntPtr.Zero);
}