current canvas theme. 
Namespace: Autodesk.Revit.UI
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 24.0.0.0 (24.0.0.0)
Since:  2024 
Syntax
Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.ExceptionsArgumentOutOfRangeException | When setting this property: A value passed for an enumeration argument is not a member of that enumeration |