This structure contains fields for the SHC_ENABLE_EVENT message.
typedef struct _PARM_ENEVENT { ULONG ulFunction; /* Handler command function. */ HID hid; /* Handler ID. */ HEVENT hevent; /* Handle of events to enable. */ PEVCB pevcbUser; /* User event information. */ } PARM_ENEVENT; typedef PARM _ ENEVENT FAR * PPARM _ ENEVENT ;