The layout of the rail supports. 
   Namespace:   Autodesk.Revit.DB.Architecture  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2013 
Syntax
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| Visual Basic | 
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| Visual C++ | 
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Members
| Member name | Description | 
|---|---|
| None | No rail support. | 
| FixedDistance | The rail supports are laid out on a fixed distance spacing. | 
| AlignWithRailingPosts | The rail supports are laid out aligned with the railing posts. | 
| FixedNumber | The rail supports are laid out with a specified fixed number. | 
| MaxSpacing | The rail supports are laid out with a maximum spacing. | 
| MinSpacing | The rail supports are laid out with a minimum spacing. |