[求助]tc2.0的画图？-->cdmalcl转移

#include "stdio.h"
#include"graphics.h"
main()
{

int gdriver=EGA,gmode=EGAHI;
detectgraph(&gdriver,&gmode);
initgraph(&gdriver,&gmode,"");
line(120,150,180,150);
closegraph();
}
在TC2.0里无法运行，WHY？？？？