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Thread: Detect USB

  1. Feb 18th, 2009, 08:47 AM #1
    A@Ce
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    Detect USB

    I have a USB device,When it is connected to my computer, the USB device becomes a COM PORT.

    How do I do the following:
    (1) I need to know if the device is presently plugged into my computer yes or no
    (2) The device, when plugged into my computer becomes a "COM<some number>"
    On my computer it becomes COM9, on somebody elses computer it becomes a different random COM<number>.

    I need to determine the exact name of the COMPORT for my special USB device.and the COM port number for this device?


    I know the Device id and Product ID.
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  2. Feb 18th, 2009, 05:58 PM #2
    Jim Davis
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    Re: Detect USB

    The following examples might be interesting for you.

    http://planetsourcecode.com/vb/scrip...45360&lngWId=1
    http://planetsourcecode.com/vb/scrip...60388&lngWId=1
    http://planetsourcecode.com/vb/scrip...56195&lngWId=1
    http://planetsourcecode.com/vb/scrip...58555&lngWId=1
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