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

Namespace: Autodesk.Revit.DB.Events
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)
Since: 2011

Syntax

C#
`public void Cancel()`

Visual Basic
`Public Sub Cancel`

Visual C++
`public: void Cancel()`

Remarks

Not every event is cancellable. Whether or not an event may be cancelled is indicated by IsCancellable() method.