DiagramControl.ItemsDeleting Event

Fires each time diagram items have been removed from the canvas.

Assembly: DevExpress.Xpf.Diagram.v19.1.dll

Declaration

public event EventHandler<DiagramItemsDeletingEventArgs> ItemsDeleting

Public Event ItemsDeleting As EventHandler(Of DiagramItemsDeletingEventArgs)

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

Property	Description
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 items that are being deleted.
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.

The Items event parameter returns the collection of items that have been removed.