No
I've meant insertion units and i found it here so its OK
Application.DocumentManager.MdiActiveDocument.Database.Insunits
and its returns if the insertion scale are a millimeters or centimeters or something else
but i wonder why i don't have non of them (get_Dimscale(),get_ScaleFactors())
i can get that far
Autodesk.AutoCAD.DatabaseServices.DataBase.
Autodesk.AutoCAD.DatabaseServices.Dimension.
Autodesk.AutoCAD.DatabaseServices.BlockReference.