RhinoCommon API
RhinoDocReadFileVersion Method |
Returns the file version of the current document.
Use this function to determine which version of Rhino last saved the document.
Namespace: Rhino
Assembly: RhinoCommon (in RhinoCommon.dll)

Return Value
Type: Int32The file version (e.g. 1, 2, 3, 4, etc.) or -1 if the document has not been read from disk.

Rhino for Mac
Supported in: 5.4Rhino for Windows
Supported in: 6.14