Thanks so much, James, But one thing I'd better make it clearer. I want to design an user interface, of course, base on GUI tools. Ideally, it's a frame which contains top menu bar in the top-left area; output window in the top-right area; and text message (task running message, error message, or whatever other message) at the whole bottom area.
From Tcl/Tk help/samples, it's possible to make it separately, I am
going to read those ActiveTcl doc, is there anyway to integrate those different Tcl/Tk functions within one frame? I bet it may need some other tools, such as ActiveTcl. Thank you again, James! Yang