> On Fri, 15 Dec 2000, Robert Sherman wrote:
>
> > any idea as to why in the script below, in sub Button2_Click, TextField1
> > does not change to "Processing..." prior to running the process_file
> > sub? A similar call in the process_file sub changes the field to "Done!"
> > when it finishes, and that call works fine...
>
> > $Window->TextField1->Text("Processing...");
> > &process_file($file, $front, $end);
>
> The Text method is queueing a message to TestField1 to change, but that
> message cannot be acted upon until the current *_Click event exits.
>
> What ends up happening is that process_file runs, then afterward the text
> changes twice quickly as the messages are processed.
>
> How to fix it? I don't have enough experience with Win32::GUI. You could
> set a timer to execute process_file. Other ways would be to post a
> message which triggers a callback and put it in there. You could also try
> putting a yield in front of process_file.
What do you mean by a 'yield'? Got an example?
As for the "Processing..." not showing up, try using a Label or a
StatusBar instead of a Textfield.
