wpf-devexpress-dot-xpf-dot-diagram-dot-diagramcontrol-503fd0df.md
Occurs while diagram items are dragged.
Namespace : DevExpress.Xpf.Diagram
Assembly : DevExpress.Xpf.Diagram.v25.2.dll
NuGet Package : DevExpress.Wpf.Diagram
public event EventHandler<DiagramCustomItemGiveFeedbackEventArgs> CustomItemGiveFeedback
Public Event CustomItemGiveFeedback As EventHandler(Of DiagramCustomItemGiveFeedbackEventArgs)
The CustomItemGiveFeedback event's data class is DiagramCustomItemGiveFeedbackEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| Cursor | Gets or sets the cursor type used during the drag-and-drop operation. |
| Effects | Gets a value that indicates the effects of the drag-and-drop operation. |
| Handled | Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route. Inherited from RoutedEventArgs. |
| Items | Returns the list of items that are objects of the drag-and-drop operation. |
| OriginalSource | Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class. Inherited from RoutedEventArgs. |
| RoutedEvent | Gets or sets the RoutedEvent associated with this RoutedEventArgs instance. Inherited from RoutedEventArgs. |
| Source | Gets or sets a reference to the object that raised the event. Inherited from RoutedEventArgs. |
The event data class exposes the following methods:
| Method | Description |
|---|---|
| InvokeEventHandler(Delegate, Object) | When overridden in a derived class, provides a way to invoke event handlers in a type-specific way, which can increase efficiency over the base implementation. Inherited from RoutedEventArgs. |
| OnSetSource(Object) | When overridden in a derived class, provides a notification callback entry point whenever the value of the Source property of an instance changes. Inherited from RoutedEventArgs. |
Handle the CustomItemGiveFeedback event to modify the appearance of the mouse pointer during the drag operation. See the example below.
void diagram_CustomItemGiveFeedback(object sender, DiagramCustomItemGiveFeedbackEventArgs e)
{
e.Cursor = DragDropCursor.Custom;
Mouse.SetCursor(Cursors.No);
}
Private Sub diagram_CustomItemGiveFeedback(ByVal sender As Object, ByVal e As DiagramCustomItemGiveFeedbackEventArgs)
e.Cursor = DragDropCursor.Custom
Mouse.SetCursor(Cursors.No)
End Sub
See Also