函数名: getgraphmode

功 能: 返回当前图形模式

用 法: int far getgraphmode(void);

程序例:

#include

#include

#include

#include

int main(void)

{

/* request auto detection */

int gdriver = DETECT, gmode, errorcode;

int midx, midy, mode;

char numname[80], modename[80];

/* initialize graphics and local variables */

initgraph(&gdriver, &gmode, "");

/* read result of initialization */

errorcode = graphresult();

/* an error occurred */

if (errorcode != grOk)

{

printf("Graphics error: %s\",

grapherrormsg(errorcode));

printf("Press any key to halt:");

getch();

/* terminate with an error code */

exit(1);

}

midx = getmaxx() / 2;

midy = getmaxy() / 2;

/* get mode number and name strings */

mode = getgraphmode();

sprintf(numname,

"%d is the current mode number.",

mode);

sprintf(modename,

"%s is the current graphics mode",

getmodename(mode));

/* display the information */

settextjustify(CENTER_TEXT, CENTER_TEXT);

outtextxy(midx, midy, numname);

outtextxy(midx, midy+2*textheight("W"),

modename);

/* clean up */

getch();

closegraph();

return 0;

}