UNDO begin in code

[Kyudos]

In C++ ObjectArx, is there a way to do UNDO "begin" and UNDO "end" without using acedCommand?

[owenwengerd · Accepted solution]

You can lockDocument()/unlockDocument() to record undo data. Note the optional arguments to lockDocument().

[Alexander.Rivilis · Accepted solution]

With COM/ActiveX you can use AcadDocument.StartUndoMark and AcadDocument.EndUndoMark