RevitAPIPreEventArgsCancel Method

When the event is cancellable, may call the Cancel() method to cancel it.

Namespace: Autodesk.Revit.DB.Events
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax
public void Cancel()
Remarks
Not every event is cancellable. Whether or not an event may be cancelled is indicated by IsCancellable() method.
See Also