Removes the vertex corresponding to the specified index. Can not remove the start or end vertex if it already connects to other element. 
   Namespace:   Autodesk.Revit.DB.Electrical  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 16.0.0.0 (16.0.0.0) 
  Since:  2015 
Syntax
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Parameters
- index
 -  Type:  System Int32  
The index which should be in [0, NumberOfVertices). 
Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | The index should be between 0 and the number of vertices of the wire. | 
| Autodesk.Revit.Exceptions DisabledDisciplineException | None of the following disciplines is enabled: Mechanical Electrical Piping. | 
| Autodesk.Revit.Exceptions InvalidOperationException | The wire has only 2 vertices, so one cannot be removed. -or- Can't remove the vertex when the vertex is start or end point and the wire connects to one element. |