Construct a PointOnFace object which is used to define the placement of a ReferencePoint given a reference and a location on the face. 
   Namespace:   Autodesk.Revit.Creation  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
Syntax
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| Visual Basic | 
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Parameters
- faceReference
-  Type:  Autodesk.Revit.DB Reference  
 The reference whose face the object will be created on.
- uv
-  Type:  Autodesk.Revit.DB UV  
 A 2-dimensional position.
Return Value
A new PointOnFace object.Exceptions
| Exception | Condition | 
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| Autodesk.Revit.Exceptions ArgumentNullException | Thrown when the input argument faceReference or uv is a null reference ( Nothing in Visual Basic) . |