The map document path.
[Visual Basic .NET] Public ReadOnly Property FilePath As String
[C#] public string FilePath {get;}
[C++]
HRESULT get_FilePath(
BSTR* FilePath
);
[C++]Parameters
FilePath [out, retval] FilePath is a parameter of type BSTR
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.