Read data from parallel port or usb

I would like to know how to read data from a parallel port or usb using c#, if that is possible, if so how? wich class as the information to do that, and is there any information on other sites? Thanks.
nikeman_1479Asked:
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somnaticCommented:
concerning USB is this the page you will need:
http://www.lvr.com/

I am working on USB Hid Devices at the moment. You'll find everything you need in this example C# Source Code:
http://www.lvr.com/files/USBSharp.zip
(at least if you're working with an Hid Device)
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