This structure contains fields for the SHC_INSTALL_PROTOCOL message.
typedef struct _PARM_INSTPROT { ULONG ulFunction; /* Handler command function. */ HID hid; /* Handler ID. */ SPCBKEY spcbkey; /* Key of SPCB. */ PSPCB pspcb; /* Pointer to SPCB to install. */ ULONG ulFlags; /* Install/deinstall flags. */ } PARM_INSTPROT; typedef PARM _ INSTPROT FAR * PPARM _ INSTPROT ;