125.设置线条类型

/* set line style */
#include <graphics.h>
void main()
{
  int i,j,c,x=50,y=50,k=1;
  int gdriver=DETECT,gmode;
  initgraph(&gdriver,&gmode,"c:\\tc");
  cleardevice();
  setbkcolor(9);
  setcolor(4);
  for(j=1;j<=2;j++)
  {
    for(i=0;i<4;i++)
    {
      setlinestyle(i,0,k);
      line(50,50+i*50+(j-1)*200,200,200+i*50+(j-1)*200);
      rectangle(x,y,x+210,y+80);
      circle(100+i*50+(j-1)*200,240,100);
    }
    k=3;
    x=50;
    y=250;
  }
  getch();
  closegraph();
}