protected override void OnSourceInitialized(EventArgs e)
{
base.OnSourceInitialized(e);
ExtendGlass.ExtendDwmGlass(this, new Thickness(-1));
//WindowExtensions.SystemMenu(this);
HwndSource.FromHwnd(new WindowInteropHelper(this).Handle).AddHook(new HwndSourceHook(WindowExtensions.GlassWndProc));
}
public static IntPtr GlassWndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
{
if (msg == ExtendGlass.WM_DWMCOMPOSITIONCHANGED)
{
ExtendGlass.ExtendDwmGlass(_form, new Thickness(-1));
handled = true;
}
return(IntPtr.Zero);
}