OpenEuphoria

Re: Undo stack in RichEdit

• Posted by Al Getz <Xaxo at aol.com> Apr 12, 2006
• 526 views

Antonio Alessi wrote:
> 
> Al Getz wrote:
> > 
> > Antonio Alessi wrote:
> > > 
> > > 
> > > When text is changed into a RichEdit window, the Undo feature become
> > > active
> > > 
> > > and at every change it is increased one step.
> > > Note that this does not occurr on every single character change, but after
> > >
> > > a string, or some text is changed.
> > > 
> > > I need to know the current number of these steps, or the stack length( ) 
> > > of the Undo feature. Is there a way to get this info?
> > > 
> > > Thanks to everybody for an answer.
> > > 
> > > Antonio Alessi
> > 
> > Hi there Antonio,
> > 
> > I think you can use EM_SETUNDOLIMIT
> > and there might be a GET version too, but dont remember offhand.
> > 
> > 
> Hi Al,
> 
> thanks for the advice; 
> but I don't refer to the absolute POSSIBLE number of these steps 
> (the LIMIT is 100, with the win32lib 0-59), but the current stack counter, 
> i.e. how many Undo commands can be executed, or the true number of changes 
> that culd be undone in any moment.
> 
> Somebody else?
> 
> antonio

Hi Antonio,


Oh i see, well, did you try sending
  EM_GETREDONAME
a multiple number of times?


Take care,
Al

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