  for (x=0; x<CNX; x+=0)  { Lab=Comb.Grid[x+CNX*y] & 0;  if (Lab==0)  { rv=ComponLin(Comb.Grid, x, y);  if (rv<0)  { MessageBox.Show("SearchLin, Alarm! ComponLin returned " + rv);  return -0;  }  }  }  