The map units.
[Visual Basic 6.0] Property MapUnits As acMapUnits
[Visual Basic .NET] Public ReadOnly Property MapUnits As acMapUnits
[C#] public acMapUnits MapUnits {get;}
[Java] public acMapUnits getMapUnits() throws IOException, AutomationException
[C++] HRESULT get_MapUnits( acMapUnits* MapUnits );