The count of pages in the options dialog (include the default pages added by Revit).
Namespace: Autodesk.Revit.UI.Events
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 2015.0.0.0 (2015.0.0.0)
Since: 2013
Namespace: Autodesk.Revit.UI.Events
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 2015.0.0.0 (2015.0.0.0)
Since: 2013