/// <summary>
/// Determines whether the given element is ignored on drop action (<see cref="DragDrop.IsDragSource"/>).
/// </summary>
/// <param name="element">The given element.</param>
/// <returns>Element is ignored or not.</returns>
public static bool IsDragSource(this UIElement element)
{
return(element != null && DragDrop.GetIsDragSource(element));
}