www.pudn.com > windows2000XP_WDM_DeviceDriverDevelopment_WuAnHe_C > CharSampleDeviceInterface.h
// interface.h - device interface classes for CharSample
// This GUID identifies the device interface class used by the CharSampleDevice device
// TODO: If your driver supports a standard interface, use the GUID that identifies
// the interface class, rather than using the one defined below
#define CharSampleDevice_CLASS_GUID \
{ 0xbd083159, 0xeb56, 0x437e, { 0xbb, 0x98, 0x17, 0x65, 0xe4, 0x40, 0x81, 0xe } }