internal override bool SetZOrder(IntPtr handle, IntPtr after_handle, bool top, bool bottom)
{
X11Hwnd hwnd = (X11Hwnd)Hwnd.ObjectFromHandle(handle);
if (hwnd == null || !hwnd.mapped)
{
return(false);
}
X11Hwnd after_hwnd = (X11Hwnd)Hwnd.ObjectFromHandle(after_handle);
return(hwnd.SetZOrder(after_hwnd, top, bottom));
}