This structure contains fields for the MCI_RECORD message.
typedef struct _MCI_RECORD_PARMS {
HWND hwndCallback; /* Window handle. */
ULONG ulFrom; /* Beginning record position. */
ULONG ulTo; /* Ending recording position. */
} MCI_RECORD_PARMS;
typedef MCI _ RECORD _ PARMS * PMCI _ RECORD _ PARMS ;