Presets for given Analytical Projection. 
   Namespace:   Autodesk.Revit.DB.Structure  
  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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| Visual C++ | 
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Members
| Member name | Description | 
|---|---|
| LocationLine | Location Line. | 
| Top | Horizontally, corresponds to top of physical model. | 
| Center | Horizontally, center of physical model. | 
| Bottom | Horizontally, corresponds to bottom of physical model. | 
| Plane | Use a Plane for projection (e.g., Grid, Level). | 
| Varies | Projection types are different at each end. |