Ejemplo n.º 1
0
        private void List1_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            if (_dragged != null)
            {
                return;
            }

            UIElement element = List1.InputHitTest(e.GetPosition(List1)) as UIElement;

            while (element != null)
            {
                if (element is ListBoxItem)
                {
                    _dragged = (ListBoxItem)element;
                    break;
                }
                element = VisualTreeHelper.GetParent(element) as UIElement;
            }
        }