//Press <F5> to compile and run.

U0 NetOfDots()
{
  I64 i;
  CDC *dc=DCAlias;
  DocClear;
  dc->color=RED;
  for (i=0; i<480; i+=20)
    GrLine(dc,i,0,0,480-i,3);
  DCDel(dc);
  PressAKey;
  DCFill;
}

NetOfDots;  //Run when #included