The cancel handler.
Namespace: Autodesk.Revit.UI
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 25.0.0.0 (25.0.0.0)
public TabbedDialogAction OnCancelAction { get; set; }
This handler will be invoked when the “Cancel” button in Revit options dialog is clicked. The Revit options dialog will be closed directly if this property was set to ..