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);
}