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/* Return values for ValidateMode. */
#define VALMODE_YES 0 /* Mode is good. */
#define VALMODE_NO_WRONGDRV 1 /* Hardware not supported by driver. */
#define VALMODE_NO_NOMEM 2 /* Insufficient video memory. */
#define VALMODE_NO_NODAC 3 /* DAC cannot handle bit depth. */
#define VALMODE_NO_UNKNOWN 4 /* Some other problem. */
/* Structure describing a display mode. */
typedef struct {
UINT dvmSize; /* Size of this struct. */
UINT dvmBpp; /* Mode color depth. */
int dvmXRes; /* Mode X resolution. */
int dvmYRes; /* Mode Y resolution. */
} DISPVALMODE;
/* Must be exported by name from driver. Recommended ordinal is 700. */
extern UINT WINAPI ValidateMode( DISPVALMODE FAR *lpMode );
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