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 End-User Documentation

DiagramControl.ItemsChanged Event

Fires each time an item is added or removed from the diagram.

Namespace:DevExpress.Xpf.Diagram
Assembly:DevExpress.Xpf.Diagram.v18.1.dll

Expanded Syntax

Expanded Event Data

The event handler receives an argument of type DiagramItemsChangedEventArgs containing data related to this event.

The following DiagramItemsChangedEventArgs properties provide information specific to this event.
Property Description
Action Indicates whether the item is being added or removed.
Handled Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route.
Item Returns the diagram item that is being added or removed from the diagram.
OriginalSource Gets the original reporting source as determined by pure hit testing, before any possible System.Windows.RoutedEventArgs.Source adjustment by a parent class.
RoutedEvent Gets or sets the System.Windows.RoutedEventArgs.RoutedEvent associated with this System.Windows.RoutedEventArgs instance.
Source Gets or sets a reference to the object that raised the event.

Expanded Remarks

The ItemsChanged event fires whenever the Items collection is modified (a document is loaded, a user performs the Undo/Redo actions, etc.).

The event parameter's DiagramItemsChangedEventArgs.Action property indicates whether the item has been added or removed.

Expanded See Also

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