Requests to cancel the progress bar’s operation.
Namespace: Autodesk.Revit.DB.Events
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
public void Cancel()
Exception
Condition
The operation cannot be cancelled.
Note that an operation may only be cancelled if its stage is ‘Unchanged’ or if its stage is ‘PositionChanged’ and the ‘Cancellable’ property is ‘true.’