2.2.1.1 PCONTEXT_HANDLE

PCONTEXT_HANDLE: An RPC context handle, as specified in [C706] Chapter 6, returned by the WitnessrRegister or WitnessrRegisterEx method, to be provided as an input parameter to the WitnessrUnRegister method.

 typedef [context_handle] void* PCONTEXT_HANDLE;