DiagramControl.ItemsMoving Event
Fires as the end-user is moving diagram items.
Namespace: DevExpress.Xpf.Diagram
Assembly: DevExpress.Xpf.Diagram.v22.2.dll
NuGet Package: DevExpress.Wpf.Diagram
Declaration
Event Data
The ItemsMoving event's data class is DiagramItemsMovingEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| ActionSource | Indicates whether the moving operation is performed using drag-and-drop, the Properties Panel or by pressing key shortcuts. |
| Allow | Specifies whether to allow performing the operation. |
| Cancel | Gets or sets whether the event should be canceled. Inherited from CancelRoutedEventArgs. |
| 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 data about items that are being moved. |
| 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. |
| Stage | Indicates whether the moving operation has just started, is continuing or has been finished or canceled. |
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. |
Remarks
The event’s Items property returns the items that are being moved. The ActionSource property indicates whether the moving operation is performed using drag-and-drop or pressing key shortcuts. The Stage property indicates whether the moving operation has just started, is continuing or has been finished or canceled.