C# check if a COM (Serial) port is already open
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by TK
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Published on 2008-10-12T13:24:38Z
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2010/03/20
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Is there an easy way of programmatically checking if a serial COM port is already open/being used?
Normally I would use:
try
{
// open port
}
catch (Exception ex)
{
// handle the exception
}
However, I would like to programatically check so I can attempt to use another COM port or some such.
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