listening to serial port to know whether modem installed/removed in C#.

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How will i continuous listen to COM for detecting modem.
if a modem is added or removed it should inform you that Modem installed or removed at COM45 etc.

I have tried to use a thread and check the com count but i am unable to know which com is modem.

If there is any specific class for this pls help me fr the code asap???

Posted 7-Dec-12 20:01pm

shubhamjoshi

Updated 7-Dec-12 20:04pm

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Menon Santosh · Answer 1 · 2012-12-07T21:13:00

Solution 1

one of the way to achieve this is open the com port like

C#

SerialPort com = new SerialPort("com1");
com.Open();

your can loop from i to 250 com port if unsuccessful it will throw exception
and you can handle it.
other wise it will successfully open the port

Posted 7-Dec-12 21:13pm

Menon Santosh

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shubhamjoshi 8-Dec-12 3:17am

i dont want to loop i want to know only MODEM ports. Any solution using WMI and Win32_SerialPort??