System.Keywords" content="ActiveUIApplication property" /><meta name="System.Keywords" content="Revit.ActiveUIApplication property" /><meta name="Microsoft.Help.F1" content="RhinoInside.Revit.Revit.ActiveUIApplication" /><meta name="Microsoft.Help.F1" content="RhinoInside.Revit.Revit.get_ActiveUIApplication" /><meta name="Microsoft.Help.Id" content="P:RhinoInside.Revit.Revit.ActiveUIApplication" /><meta name="Description" content="Gets the active in the current UI session." /><meta name="Microsoft.Help.Cont