detectgraph

detectgraph，计算机函数。实现检测硬件确定图形驱动程序和模式。

detectgraph介绍

detectgraph，计算机函数。实现检测硬件确定图形驱动程序和模式。

函数名: detectgraph

用 法: void far detectgraph(int far *graphdriver, int far *graphmode);

程序例:

#include <graphics.h>

#include

#include

#include

char *dname = { "requests detection",

"a CGA",

"an MCGA",

"an EGA",

"a 64K EGA",

"a monochrome EGA",

"an IBM 8514",

"a Hercules monochrome",

"an AT&T 6300 PC",

"a VGA",

"an IBM 3270 PC"

};

int main(void)

{

int gdriver, gmode, errorcode;

detectgraph(&gdriver, &gmode);

errorcode = graphresult();

if (errorcode != grOk)

{

printf("Graphics error: %sn",

grapherrormsg(errorcode));

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

getch();

exit(1);

}

clrscr();

printf("You have %s video display

card.n", dname);

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

getch();

return 0;

}