Additions and changes made to the ActiveX API in AutoCAD 2021 and AutoCAD 2021-based products.
Classes
AcadAcCmColor Version number of the class has been incremented from 23 to 24; use the ProgID AutoCAD.AcCmColor.24 AcadApplication Major version number of the class has been incremented from 23 to 24 Use the ProgID AutoCAD.Application.24 to create an instance of AutoCAD 2021. AcadLayerStateManager Version number of the class has been incremented from 23 to 24; use the ProgID AutoCAD.AcadLayerStateManager.24 AcadSecurityParams Version number of the class has been incremented from 23 to 24; use the ProgID AutoCAD.SecurityParams.24