Sean -G3- said something like:

> I want to use the layer manager to find if a window exists, and if it
> does, I want to send a chr(13) to the app.
>

Take a look at Mars' jGNE shell.  This uses the Apple approved way of playing with all events for all apps.  I managed to use it to dismiss all those pesky "File Server has Collapsed" AFP messages.  It works quite well.

Jamin