Design
|
Gets the active design option id for the document.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.0.4.0 (26.0.4.0)

Parameters
- document Document
- The document.
Return Value
ElementIdThe active design option id. It can be invalid id if there is no active design option in the document.

Exception | Condition |
---|---|
ArgumentNullException | A non-optional argument was null |
