Whether the task dialog can be cancelled if no cancel button is specified.
Namespace: Autodesk.Revit.UIAssembly: RevitAPIUI (in RevitAPIUI.dll) Version: 20.0.0.0 (20.0.0.377)
Since: 2011
Syntax
Remarks
The default value is true. If there is a cancel button in the task dialog, the it always can be cancelled.