Additions and changes made to the ActiveX API in AutoCAD 2017 and AutoCAD 2017-based products.
AcInsertUnits (Changed) acInsertUnitsUSSurveyFeet = 21 (New) acInsertUnitsUSSurveyInch = 22 (New) acInsertUnitsUSSurveyYard = 23 (New) acInsertUnitsUSSurveyMile = 24 (New)
AcadAcCmColor Version number of the class has been incremented from 20 to 21; use the ProgID AutoCAD.AcCmColor.21. AcadApplication Version number of the class has been incremented from 20 to 21; use the ProgID AutoCAD.Application.21. ProgID AutoCAD.Application.20.1 is now obsolete. AcadLayerStateManager Version number of the class has been incremented from 20 to 21; use the ProgID AutoCAD.AcadLayerStateManager.21. AcadSecurityParams Version number of the class has been incremented from 20 to 21; use the ProgID AutoCAD.SecurityParams.21. IAcadShadowDisplay (Obsolete) EnableShadowDisplay - Property (Obsolete) ShadowDisplay - Property (Obsolete)