Specify which bar types can be used with this RebarShape. Bar types are allowed by default. 
   Namespace:   Autodesk.Revit.DB.Structure  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 22.0.0.0 (22.1.0.0) 
  Since:  2009 
Syntax
| C# | 
|---|
|  | 
| Visual Basic | 
|---|
|  | 
| Visual C++ | 
|---|
|  | 
Parameters
- barType
-  Type:  Autodesk.Revit.DB.Structure RebarBarType  
 A bar type in the same document as this shape.
- allowed
-  Type:  System Boolean  
 Whether this shape may be combined with barType.
Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was null | 
| Autodesk.Revit.Exceptions DisabledDisciplineException | None of the following disciplines is enabled: Structural. |