Wayne, a quick and dirty - your app opens any file in exclusive mode - can be a dbf or any file using LLFF. If your app cannot open the file then an instance is already running.


>I have an application that is started and runs as a process in windows 2000 and windows xp platforms. It does not have a window that I can check for its caption.
>
>Is there any way to check and see if this process is already running so that I do not start a second instance of this application. I have looked at the api_apprun class but that is looking at window handle.
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>Thanks,
>
>Wayne Frenck