The type of right support used in the stair. 
   Namespace:   Autodesk.Revit.DB.Architecture  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 22.0.0.0 (22.1.0.0) 
  Since:  2013 
Syntax
Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | When setting this property: rightSideStringerTypeId is not a valid support type. -or- When setting this property: The specified rightSideStringerTypeId doesn't match the desired style of the right side support. | 
| Autodesk.Revit.Exceptions ArgumentNullException | When setting this property: A non-optional argument was null | 
| Autodesk.Revit.Exceptions InvalidOperationException | When setting this property: The right support style is none, so this related data cannot be set. |