Thanks again, I now added
def undoable_transactions(self, first_transaction=None, last_transaction=None, PrincipiaUndoBatchSize=None): return () to my class. This seems to work. Is this advisable or are there caveat to be avare of? Robert Am Sonntag, 26. Oktober 2003 21:49 schrieb Andreas Jung: > By removing the Undo tab or by removing Un doSupport from the baseclasses > of your objects? > > -aj > > --On Sonntag, 26. Oktober 2003 20:38 Uhr +0100 robert <[EMAIL PROTECTED]> > > wrote: > > Hi there, > > I have objects that are linked to an external database. > > When they are deleted, also the data in the external database is deleted. > > Now an undo is bad, because I then get an object with ab link to non > > existing data. > > I must therefore prevent undo. > > How can I do that? > > > > Thanks, > > Robert -- mit freundlichen Grüssen Robert Rottermann www.redCOR.ch _______________________________________________ Zope-Dev maillist - [EMAIL PROTECTED] http://mail.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope )