wpf-devexpress-dot-xpf-dot-diagram-dot-diagramcontrol-0977e7c3.md
Occurs during a drag-and-drop operation.
Namespace : DevExpress.Xpf.Diagram
Assembly : DevExpress.Xpf.Diagram.v25.2.dll
NuGet Package : DevExpress.Wpf.Diagram
public event EventHandler<DiagramCustomItemQueryContinueDragEventArgs> CustomItemQueryContinueDrag
Public Event CustomItemQueryContinueDrag As EventHandler(Of DiagramCustomItemQueryContinueDragEventArgs)
The CustomItemQueryContinueDrag event's data class is DiagramCustomItemQueryContinueDragEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| Action | Gets or sets the status of the current 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. |
| IsCancellationRequested | Indicates whether the drag operation cancellation is requested. |
| Items | Returns the list of the diagram items the user is dragging. |
| KeyStates | Gets the current state of the Shift, Ctrl, and Alt keys. |
| 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. |
Set the event’s Action parameter to one of the System.Windows.DragAction enumeration values to specify how and if the drag-and-drop operation should continue.
See Also