This structure contains fields for the MCI_SETTUNER message for digital video devices.
typedef struct _MCI_DGV_TUNER_PARMS {
HWND hwndCallback; /* Window handle. */
ULONG ulFrequency; /* Tuner frequency. */
ULONG ulReserved0; /* Reserved. */
ULONG ulTVChannel; /* TV channel. */
LONG lFineTune; /* Fine tuning adjustments. */
PSZ pszRegion; /* TV channel region. */
ULONG ulReserved1; /* Reserved. */
ULONG ulReserved2; /* Reserved. */
} MCI_DGV_TUNER_PARMS;
typedef MCI _ DGV _ TUNER _ PARMS * PMCI _ DGV _ TUNER _ PARMS ;