DiagramControl.ItemsResizing Event

Fires when a diagram item is resized by the end-user or programmatically.

Namespace: DevExpress.Xpf.Diagram

Assembly: DevExpress.Xpf.Diagram.v21.2.dll


public event EventHandler<DiagramItemsResizingEventArgs> ItemsResizing

Event Data

The ItemsResizing event's data class is DiagramItemsResizingEventArgs. The following properties provide information specific to this event:

Property Description
ActionSource Indicates whether the resizing operation is performed using the selection handles or the Properties Panel.
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 collection of data about items that are being resized.
Mode Indicates the direction of resizing.
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 resizing 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.


The ActionSource event’s parameter indicates whether the resizing operation is performed using drag-and-drop or pressing key shortcuts. The Mode property indicates the direction of resizing.

See Also