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Determine if only one instance is running: Difference between revisions
Determine if only one instance is running (view source)
Revision as of 19:59, 10 March 2019
, 5 years ago→{{header|Visual Basic}}
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=={{header|Visual Basic}}==
{{works with|Visual Basic|4}} <!-- previous versions possible but unlikely; no way to test right now -->
{{works with|Visual Basic|5}}
{{works with|Visual Basic|6}}
<lang vb>Dim onlyInstance as Boolean
onlyInstance = not App.PrevInstance</lang>
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