XDIBHDR_PREFIX

This structure is a subheader for both the image and video header and is usually contained within the MMXDIBHEADER structure. It is part of the standard presentation format for image and video data and is returned on mmioGetHeader and used on mmioSetHeader when the HMMIO refers to an open image or open movie file.

typedef struct _XDIBHDR_PREFIX {
  ULONG      ulMemSize;    /*  Length of bitmap. */
  ULONG      ulPelFormat;  /*  FOURCC code defining the pel format. */
  USHORT     usTransType;  /*  Transparency color. */
  ULONG      ulTransVal;   /*  Transparent color indicator. */
} XDIBHDR_PREFIX;

typedef   XDIBHDR _ PREFIX   * PXDIBHDR _ PREFIX ;