AutoCAD 2019 API History Reference (ActiveX)

Additions and changes made to the ActiveX API in AutoCAD 2019 and AutoCAD 2019-based products.

Classes

AcadAcCmColor
        Version number of the class has been incremented from 22 to 23; use the ProgID AutoCAD.AcCmColor.23
AcadApplication
        Version number of the class has been incremented from 22 to 23; use the ProgID AutoCAD.Application.23
AcadLayerStateManager
        Version number of the class has been incremented from 22 to 23; use the ProgID AutoCAD.AcadLayerStateManager.23
AcadSecurityParams
        Version number of the class has been incremented from 22 to 23; use the ProgID AutoCAD.SecurityParams.23
IAcadExternalReference (Changed)
        LayerPropertyOverrides - Property (New)