This structure contains fields for the SHC_ENABLE_SYNC message.
typedef struct _PARM_ENSYNC {
ULONG ulFunction; /* Handler command function. */
HID hid; /* Handler ID. */
HSTREAM hstream; /* Stream handle instance. */
ULONG ulFlags; /* Sync flags. */
MMTIME mmtimeSync; /* Granularity. */
PSYNC_EVCB pevcbSyncPulse; /* Sync pulse info. */
ULONG ulSyncPulseSem; /* 16 bit semaphore. */
} PARM_ENSYNC;
typedef PARM _ ENSYNC FAR * PPARM _ ENSYNC ;