This structure contains fields for the MCI_BUFFER message.
typedef struct _MCI_BUFFER_PARMS {
HWND hwndCallback; /* Window handle. */
ULONG ulStructLength; /* Structure length. */
ULONG ulNumBuffers; /* Number of buffers. */
ULONG ulBufferSize; /* Suggested buffer size. */
ULONG ulMinToStart; /* Not used. */
ULONG ulSrcStart; /* Not used. */
ULONG ulTgtStart; /* Not used. */
PVOID pBufList; /* Pointer to list of buffers. */
} MCI_BUFFER_PARMS;
typedef MCI _ BUFFER _ PARMS * PMCI _ BUFFER _ PARMS ;