protected override void OnMouseDown(MouseButtonEventArgs e)
{
base.OnMouseDown(e);
Application.Current.Dispatcher.BeginInvoke(new Action(() =>
{
e.Source = AdornedElement;
e.Handled = false;
AdornedElement.RaiseEvent(e);
}));
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
AdornedElement.RaiseEvent(e);
}