From: anne001 Date: 2006-02-22T06:33:31+09:00 Subject: Re: How can I evaluate and visualize code instead of running it. Thank you very much Bill Kelly for your response. The Key is that you are swapping what GL means. If I say GL=LoggingGL suddenly, I am no longer calling on OpenGL, I am calling on methods in loggingGL I tried it as it, as it is very easy to tag this little code to modify the fx. The glut fx was not modified, and it opened a window with the strangest mix of text/image. I could fix that by redirecting glut I think. This will work very well. Thank you for thinking of this scheme and taking the time to write it all out so it works right away thank you Anne