Return a reference to one of the segments in the definition. 
   Namespace:   Autodesk.Revit.DB.Structure  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2012 
Syntax
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Parameters
- segmentIndex
 -  Type:  System Int32  
Index of the segment (0 to NumberOfSegments - 1). 
Return Value
The requested segment.Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | segmentIndex is not between 0 and NumberOfSegments. |