How to get COM port pin status using WinForms in VB.NET 2003

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How can I get a COM port pin status (like for Epson, Samsung, LIPI, HCL700 etc...) using WinForms in VB.NET 2003?

Posted 10-Nov-11 20:52pm

durai.net

Updated 12-Nov-11 8:44am

Yvan Rodrigues

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Sergey Alexandrovich Kryukov 11-Nov-11 3:19am

Are you sure it's all about COM port, not parallel port?! Parallel printer ports are nearly obsolete, but I haven't heard of any brand-name devices using COM port... may be couple of decades if not more.
--SA

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Yvan Rodrigues · Answer 1 · 2011-11-12T08:42:00

Solution 1

Which pin? CTS, DTR, etc can all be checked with the SerialPort[^] class.

Posted 12-Nov-11 8:42am

Yvan Rodrigues