VIDEOMODEINFO

The VIDEOMODEINFO data structure receives information for the current video monitor. Note: The cb and ulColors fields are new to VIDEDOMODEINFO. The color depth field (ulColors) was introduced to differentiate between pixel and color depth.

Type

struct

C Declaration Method

typedef

Example Code

typedef struct _VIDEOMODEINFO {
  ULONG      cb;                  /* Size of the structure. */
  MODEID     miModeId;            /* Used to make a SetMode request. */
  USHORT     usType;              /* Flag indicating mode type. */
  USHORT     usInt10ModeSet;      /* Interrupt 10 mode. */
  USHORT     usXResolution;       /* Horizontal pixels. */
  USHORT     usYResolution;       /* Vertical scanlines. */
  ULONG      ulBufferAddress;     /* Physical address of VRAM. */
  ULONG      ulApertureSize;      /* VRAM aperture. */
  ULONG      ulColors;            /* Color depth. */
  BYTE       bBitsPerPixel;       /* Pixel depth. */
  BYTE       bBitPlanes;          /* Number of planes. */
  BYTE       bXCharSize;          /* Font width. */
  BYTE       bYCharSize;          /* Font height. */
  USHORT     usBytesPerScanLine;  /* Number of bytes per scan line. */
  USHORT     usTextRows;          /* Number of text rows. */
  ULONG      ulPageLength;        /* Number of bytes to save a plane. */
  ULONG      ulSavesize;          /* Total bytes of VRAM to save. */
  BYTE       bVrtRefresh;         /* Vertical refresh rate. */
  BYTE       bHrtRefresh;         /* Horizontal refresh rate. */
  BYTE       bVrtPolPos;          /* Vertical polarity. */
  BYTE       bHrtPolPos;          /* Horizontal polarity. */
  USHORT     usScrnTop;           /* Vertical blanking away from the top, in line counts. */
  USHORT     usScrnBottom;        /* Vertical blanking away from the bottom, in line counts. */
  USHORT     usScrnLeft;          /* Horizontal blanking away from the left, in pixel counts. */
  USHORT     usScrnRight;         /* Horizontal blanking away from the right, in pixel counts. */
  CHAR       szColorFormat[8];    /* Color format string for true color or high-color modes. */
  CHAR       szColorWeight[8];    /* Color weight string for true color or high-color modes. */
} VIDEOMODEINFO;

typedef   VIDEOMODEINFO   * FAR   * PVIDEOMODEINFO ;