This structure contains fields for the SMH_LOCKMEM message.
typedef struct _PARM_LOCKM { ULONG ulFunction; /* SMH command function. */ PSZ pBuffer; /* Linear address to lock. */ ULONG ulBufSize; /* Size of memory to lock. */ PLOCKH plockh; /* Lock handle. */ ULONG ulFlags; /* Function requested. */ } PARM_LOCKM; typedef PARM _ LOCKM FAR * PPARM _ LOCKM ;