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 ;