The position of the dimension text's drag point. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 16.0.0.0 (16.0.0.0) 
  Since:  2015 Subscription Update 
Syntax
Remarks
This property is not applicable to all dimensions. For example, it is not available for spot dimensions, multi-segments dimensions dimensions using equality formula, and when dimension style is ordinate.
If the position is not applicable, this property returns NULL and will not allow setting a value.
Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentNullException | When setting this property: A non-optional argument was NULL |