An enumerated type listing all connector types for a connection 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 16.0.0.0 (16.0.0.0) 
Syntax
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Members
| Member name | Description | 
|---|---|
| Invalid | Invalid connection type | 
| End | End connection type | 
| Curve | Curve connection type | 
| Logical | Logical connection type | 
| Reference | Reference connection type | 
| Surface | Surface connection type | 
| EndSurface | End or Surface connection type | 
| Physical | Physical connection type | 
| NonEnd | Not end connection type | 
| MasterSurface | Master surface connection type | 
| Family | Family connection type | 
| NodeReference | Reference to the layout node type | 
| BlankEnd | Blank End type | 
| AnyEnd | Any end connection type | 
| AllModes | All connection modes |