Exports the document in the format of Civil Engineering design applications. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
Syntax
| C# | 
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| Visual Basic | 
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| Visual C++ | 
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Parameters
- folder
 -  Type:  System String  
Output folder, into which file will be exported. The folder must exist. 
- name
 -  Type:  System String  
The name for the exported civil file. If a null reference ( Nothing in Visual Basic) or empty, automatic naming will be used." 
- view
 -  Type:  Autodesk.Revit.DB View3D  
3D View to be exported. 
- grossAreaPlan
 -  Type:  Autodesk.Revit.DB ViewPlan  
All the areas on the view plan will be exported, it must be 'Gross Building' area plan. It must not be a null reference ( Nothing in Visual Basic) . To check whether its area scheme is Gross Building, use IsGrossBuildingArea property of AreaScheme . 
- options
 -  Type:  Autodesk.Revit.DB BuildingSiteExportOptions  
Various options applicable to the format of Civil Engineering design applications. If a null reference ( Nothing in Visual Basic) , all options will be set to their respective default values. 
Return Value
True if successful, otherwise False.Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentNullException | Thrown when the input view or grossAreaPlan is a null reference ( Nothing in Visual Basic) | 
| Autodesk.Revit.Exceptions ArgumentException | Thrown when folder is null or empty.Thrown when name is not valid.Thrown when grossAreaPlan is not a valid element.Thrown when grossAreaPlan is not a Gross Building Area Plan. | 
| Autodesk.Revit.Exceptions DirectoryNotFoundException | Thrown when the folder does not exist |