How do i change the color of the hole screen using perltk

[dara]

how do take control of the screen. i can get a window to cover the hole screen but i can't get rid of the title bar.

if you don't know, do you know how to disable a normal window?

 

[ulis]

In tcl/tk I use

toplevel .s -background red
wm overrideredirect .s 1
wm geometry .s =[winfo screenwidth .]x[winfo screenheight .]+0+0

ulis