The currently active graphical view of the currently active document.
Namespace: Autodesk.Revit.UI
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 2015.0.0.0 (2015.0.0.0)
Since: 2015
Syntax
Remarks
This property is applicable to the currently active document only. Returns a null reference ( Nothing in Visual Basic) if this document doesn't represent the active document.