|  Rebar  | 
 Sets this overridden parameter to be readonly. 
 Namespace: Autodesk.Revit.DB.Structure
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
 Syntax
 Syntax  Parameters
- paramId ElementId
- Overridden parameter id
 Exceptions
 Exceptions  | Exception | Condition | 
|---|---|
| ArgumentException | paramId has no override | 
| ArgumentNullException | A non-optional argument was null | 
 See Also
 See Also