static void ShowSystemMenu(object o)
{
var depo = o as DependencyObject;
if (depo == null)
{
return;
}
var win = Window.GetWindow(depo);
if (win == null)
{
return;
}
var p = win.PointToScreen(new Point(0, GridCaptionHeight.Value));
WindowUtils.ShowSystemMenu(win, p);
}
protected override void OnSourceInitialized(EventArgs e)
{
base.OnSourceInitialized(e);
WindowUtils.UpdateWin32Style(this);
}