private static void Window_MouseDown(this IDragWindow dw, object sender, MouseButtonEventArgs e)
{
if (e.LeftButton == MouseButtonState.Pressed)
{
(dw?.Window)?.DragMove();
}
}
/// <summary>
/// Call this in Construct Method.
/// </summary>
/// <param name="dw"></param>
public static void InitDragWindow(this IDragWindow dw)
{
dw.Window.MouseDown += dw.Window_MouseDown;
}