An enumerated type representing the options for seting the range for a plan view. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2013 
Syntax
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Members
| Member name | Description | 
|---|---|
| Unused | |
| Below | View range is the level below | 
| Current | View range is the current level | 
| Above | View range is the level above | 
| Unlimited | View range is unlimited |