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RadDiagramPreviewAdditionalContentActivated Event
Occurs when AdditionContent is about to be activated.

Namespace: Telerik.WinControls.UI
Assembly: Telerik.WinControls.RadDiagram (in Telerik.WinControls.RadDiagram.dll) Version: 2018.3.911.40 (2018.3.911.40)
Syntax
public event EventHandler<AdditionalContentActivatedEventArgs> PreviewAdditionalContentActivated

Value

Type: SystemEventHandlerAdditionalContentActivatedEventArgs
See Also