Position of spot dimension's leader shoulder point. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109) 
  Since:  2021.1 
Syntax
Remarks
 Setting of this property also affects LeaderEndPosition and TextPosition. 
 Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentNullException | When setting this property: A non-optional argument was NULL | 
| Autodesk.Revit.Exceptions InvalidOperationException | Dimension must have leader. -or- Dimension's leader must have shoulder. -or- Thrown when: 
 |