private static void sourceElement_MouseMove(object sender, MouseEventArgs e)
{
if (e.LeftButton == MouseButtonState.Pressed)
{
IDragSource dragSource = DragDropHelper.GetDragSource(sender as DependencyObject);
FrameworkElement sourceElement = sender as FrameworkElement; //dragSource.SourceElement;
var item = sourceElement as System.Windows.Controls.ListBoxItem;
if (dragSource.IsDraggable(sourceElement))
{
DataObject data = dragSource.GetDataObject(sourceElement);
DragDrop.DoDragDrop(sourceElement, data, dragSource.SupportedEffects);
}
}
}