[perl-win32-gui-users] Avoid the appearance of a "frozen" window

Hi all, I'm curious: how do you prevent your window from looking like it's frozen during lengthy operations? For example, suppose a user clicks a button that will trigger a very long event, such as copying a 10 GB file. While the really long event is underway, how do you free up your window so

[perl-win32-gui-users] Taking action after the call to Win32::GUI::Dialog();

In the Draw.pl example, all program action takes place in the timer event. Is there a way to trigger a default program action without using the timer event once the program has called Win32::GUI::Dialog()? In all of my win32::GUI programs, I use a menu or button to start action. -- View this mess