Returns the active pre-defined non-in-session exporting settings for DWG in the given document. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 18.0.0.0 (18.2.0.0) 
  Since:  2018 
Syntax
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Parameters
- aDoc
 -  Type:  Autodesk.Revit.DB Document  
A Revit document to retrieve the active pre-defined exporting settings for DWG. 
Return Value
The active pre-defined exporting settings for DWG, or null if nothing pre-defined exists or the in-session settings is selected.Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL |