[perl-win32-gui-users] How can I show a "please wait" window?

[Burak Gürsoy]

I'm fetching data from several sites when the program starts and the main
window freezes. How can I show a "Please stand by..." window and then close
it when the job is done? I've tried to open a new window but $W->CloseWindow
just minimizes it and I couldnt find a way to close it. Also, is there an
another way to do this?