int main()
{
int gdriver, gmode, i;
int arw[16]={200,102,300,102,300,107,330,
100,300,93,300,98,200,98,200,102
};
gdriver=DETECT;
initgraph ( &gdriver, &gmode, "c:\\caic\\bgi" );
setbkcolor ( BLUE );
cleardevice();
setcolor ( 12 ); /*设置作图颜色*/
drawpoly ( 8, arw ); /*画一箭头*/
closegraph();
return 0;
}