public static bool GetParentWindowHandle(this Visual element, out IntPtr hwnd) { hwnd = IntPtr.Zero; HwndSource wpfHandle = PresentationSource.FromVisual(element) as HwndSource; if (wpfHandle == null) { return(false); } hwnd = Win32Helper.GetParent(wpfHandle.Handle); if (hwnd == IntPtr.Zero) { hwnd = wpfHandle.Handle; } return(true); }