| Overload | Description | 
|---|---|
| DiagramEventArgs Constructor() | Create an empty DiagramEventArgs. | 
| DiagramEventArgs Constructor(Part) | Create a DiagramEventArgs that refers to a Part. | 
| DiagramEventArgs Constructor(Part,FrameworkElement) | Create a DiagramEventArgs that refers to a Part and a specific FrameworkElement that was the subject of the event.   |