Thank you. Kazuyuki Hirooka
----- Original Message ----- From: "Ken Krugler" <[EMAIL PROTECTED]> To: "Palm Developer Forum" <[EMAIL PROTECTED]> Sent: Tuesday, November 25, 2003 2:39 AM Subject: Re: How do I know whether undo is available? > >I am writing an application that has an field, which user can > >edit arbitrarily. I want to show my special undo-button > >only if there is an action to undo for the field. I want to > >hide it otherwise. > >How do I know whether there is an action to undo or not? > > Unfortunately there's no reliable way without looking at low-memory > globals used by the field code to keep track of the undo state. > > -- Ken > -- > Ken Krugler > TransPac Software, Inc. > <http://www.transpac.com> > +1 530-470-9200 -- For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/
