How to detect a running application (VB6)

Hi everybody. I'm modifying an old Visual Basic 6.0 application and I need a process that verify if the application is already running. This proceess must prevent the application being running twice in a machine. I undertand that I must use API Functions but I don't find the adecuate. Could anybody could help me?

Thanks in advance.

egfao55

See the FAQ How can I allow only one instance of my application to run at a time?

http://www.vbforums.com/attachment.p...7&d=1363908751