Exports a Revit project to the Navisworks .nwc format. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2014 
Syntax
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Parameters
- folder
 -  Type:  System String  
The name of the folder for the exported file. 
- name
 -  Type:  System String  
The name of the exported file. If it doesn't end in '.nwc', this extension will be added automatically. 
- options
 -  Type:  Autodesk.Revit.DB NavisworksExportOptions  
Options which control the contents of the export. 
Remarks
 This is an optional functionality that does not have to be installed. The method "OptionalFunctionalityUtils.isNavisworksExporterAvailable()" can be called to check if the exporter is present. 
 Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | NullOrEmpty -or- Contains invalid characters -or- The input options were not valid. Check the exception message for specific details. | 
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL | 
| Autodesk.Revit.Exceptions InvalidOperationException | Export is temporarily disabled. -or- Exporting is not allowed in the current application mode. | 
| Autodesk.Revit.Exceptions InvalidPathArgumentException | The folder does not exist. | 
| Autodesk.Revit.Exceptions OperationCanceledException | The export operation is cancelled in event handler. | 
| Autodesk.Revit.Exceptions OptionalFunctionalityNotAvailableException | A Navisworks Exporter is not available in the installed Revit. |