Writing a Windows service

We have a magnetic stripe card reader connected via USB as a HID (Human
Interface Device.) Whenever a card is 'swiped' we want code to be running
to respond by 'grabbing' the data from the HID stack and putting it in a
database. This code should always be loaded and should always respond to a
card swipe no matter what window or application has focus.

Does this describe a Windows Service? If so, I need to develop a Windows
Service! Please direct me to appropriate reading.

Don W.


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