This is a base class representing a render node in a model-exporting process. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 16.0.0.0 (16.0.0.0) 
  Since:  2014 
Syntax
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Remarks
 A node can be both geometric (such as an element, light, etc.) or non-geometric (e.g. material). Some types of nodes are container modes, which include other render nodes. 
 Inheritance Hierarchy
  System Object  
Autodesk.Revit.DB RenderNode
Autodesk.Revit.DB ContentNode
Autodesk.Revit.DB FaceNode
Autodesk.Revit.DB GroupNode
Autodesk.Revit.DB MaterialNode
Autodesk.Revit.DB ModelCurveNode
Autodesk.Revit.DB TextNode
Autodesk.Revit.DB ViewNode
 
 Autodesk.Revit.DB RenderNode
Autodesk.Revit.DB ContentNode
Autodesk.Revit.DB FaceNode
Autodesk.Revit.DB GroupNode
Autodesk.Revit.DB MaterialNode
Autodesk.Revit.DB ModelCurveNode
Autodesk.Revit.DB TextNode
Autodesk.Revit.DB ViewNode