>Ed:
>I'm using api_apprun to launch InstallShield Express installations, running in silent mode. I'd like to use some sort of progress gauge. I looked at CheckProcessExitCode and wondered if this is where I could terminate a yardstick when the process ends?
>

CheckProcessExitCode if it returns a value other than 259 or NULL indicates that the process being monitor is done. Rather than changing the class, I'd wrap something outside the class and have it handle the termination rather than changing the method.