This structure contains fields for the SHC_GET_TIME message.
typedef struct _PARM_GTIME {
ULONG ulFunction; /* Handler command function. */
HID hid; /* Handler ID. */
HSTREAM hstream; /* Handle of stream instance. */
MMTIME mmtimeCurrent; /* Returns current stream time. */
} PARM_GTIME;
typedef PARM _ GTIME FAR * PPARM _ GTIME ;