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Connecting to a Parallel Device

A client uses the IOCTL_INTERNAL_PARCLASS_CONNECT request to obtain a PARCLASS_INFORMATION structure that contains:

The callback routines provide functionality that a typical function driver needs. Using the callback routines is more efficient than using equivalent device control requests.

A client disconnects from a device by using a IOCTL_INTERNAL_PARCLASS_DISCONNECT request.

 

 

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