This structure contains fields for the SHC_STOP message.
typedef struct _PARM_STOP {
ULONG ulFunction; /* Handler command function. */
HID hid; /* Handler ID. */
HSTREAM hstream; /* Handle of stream instance. */
ULONG ulFlags; /* Stop flags. */
} PARM_STOP;
typedef PARM _ STOP FAR * PPARM _ STOP ;