Any clue why undo does not work with VB

Discussion in 'AutoCAD' started by Dave, Mar 29, 2005.

  1. Dave

    Dave Guest

    I have several customers that are still using ACAD 2004. I have since added
    several new utilities that when run, ACAD 2004's undo will not back up.

    They are compiled referencing the ACAD 2004 runtime library.


    Every one has these lines also"

    Set AutoCAD_Application = AcadApp
    Set Thisdrawing = AutoCAD_Application.ActiveDocument
    Thisdrawing.StartUndoMark

    code here

    Thisdrawing.EndUndoMark
    End Sub


    Nothing seems to help.
    Does anyone have any ideas or suggestions I could look for?

    Thanks,
    --
    David Wishengrad
    President & CTO
    MillLister, Inc.
    Software for BOM, measuring, stretching, feature recognition, and
    controlling visibility of multiple 3D solids.
    Http://Construction3D.com
     
    Dave, Mar 29, 2005
    #1
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