Determines whether the current rendering pass is for transparent objects. 
   Namespace:   Autodesk.Revit.DB.DirectContext3D  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 18.0.0.0 (18.2.0.0) 
  Since:  2017 
Syntax
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Return Value
True when the server should be submitting transparent objects for rendering, false otherwise.Remarks
Opaque and transparent geometry should be submitted for rendering separately. See Autodesk::Revit::DB::DirectContext3D::IDirectContext3DServer::UseInTransparentPass(void).
Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions InvalidOperationException | This DrawContext is not available because Revit is not currently rendering. In general, this DrawContext must be used in the scope of the RenderScene() callback of IDirectContext3DServer. |