DiagramControl.ItemsRotating Event
Fires when the end-user attempts to rotate a diagram item.
Namespace: DevExpress.Xpf.Diagram
Assembly: DevExpress.Xpf.Diagram.v23.2.dll
NuGet Package: DevExpress.Wpf.Diagram
Declaration
Event Data
The ItemsRotating event's data class is DiagramItemsRotatingEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| ActionSource | Indicates whether the rotating operation is performed using the rotation handle or the Properties Panel. |
| Cancel | Gets or sets whether the event should be canceled. Inherited from CancelRoutedEventArgs. |
| CenterOfRotation | Returns the coordinates of the center of rotation. |
| 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 collection of data about items that are being rotated. |
| 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 rotating 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 rotated. The ActionSource property indicates whether the rotating operation is performed using mouse or pressing key shortcuts. The Stage property indicates whether the rotating operation has just started, is continuing or has been finished or canceled. The CenterOfRotation property returns the rotation center point.