Method of IApplication
Registers new Undo type
var pnActionType = Application.AddUndoActionType(strDescription);
==== Visual Basic Script ====
pnActionType = Application.AddUndoActionType strDescription
==== C++ ====
long nActionType; HRESULT hr = Application.AddUndoActionType(strDescription, &nActionType);
===== See Also ===== IApplication