windowsforms-devexpress-dot-xtradiagram-dot-diagramcontrol-d7a646ca.md
Occurs when an end-user starts dragging a diagram item.
Namespace : DevExpress.XtraDiagram
Assembly : DevExpress.XtraDiagram.v25.2.dll
NuGet Package : DevExpress.Win.Diagram
[DiagramCategory(DiagramCategory.Behavior)]
public event EventHandler<DiagramCustomItemDragEventArgs> CustomItemDrag
<DiagramCategory(DiagramCategory.Behavior)>
Public Event CustomItemDrag As EventHandler(Of DiagramCustomItemDragEventArgs)
The CustomItemDrag event's data class is DiagramCustomItemDragEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| Data | Provides data about the diagram items the end-user is dragging. |
| Items | Returns the list of items that are objects of the drag-and-drop operation. |
| Result | Returns the drag-and-drop operation result. |
| SourceItem | Returns the item the end-user is dragging. |
| SourceItemPoint | Returns the point on the canvas where the end-user initiated the drag-and-drop operation. |
Handle the CustomItemDrag event to customize drag and drop for diagram items.
In the event handler, call the DragDrop.DoDragDrop method and assign the Data event parameter to the method’s data parameter.
See Also