I think that will do it. I was looking for WM_CLOSE.

Thanks for all your help.

>>Thanks George. It helps, but what do I do to cause an application to quit?
>
>Hi Mark,
>
>Off the top of my head, all you have to do is get the window handle, and use SendMessage() with the window handle and the WM_CLOSE parameter as I describe in the article. I think that I covered all the details in the FAQ, or is there something I'm missing?