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Only One Instance of App... how?

Posted on 1998-11-05
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Last Modified: 2010-04-30
Hi,
  I have a VB 4.0 app called "MyApp" and I only want one instance of it running at any time. How do I check for this?
If it is already running, a error mesg should pop up.
I don't know what WinAPI to use ( lack of reference ) and how to use it. Thanks a lot..!!
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Question by:Haho2
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idcanada earned 120 total points
ID: 1443440

if app.previnstance then unload me

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