//
public void MoveTo(int X, int Y)
{
recA.MoveTo(X - 1, Y - 1);
line.SetAnchor(X, Y);
}
public void SetTarget(int X, int Y)
{
recB.MoveTo(X - 1, Y - 1);
line.SetTarget(X, Y);
}
//
public void MoveTo(int X, int Y)
{
rec_bkg.MoveTo(X, Y);
rec_fore.MoveTo(X + 1, Y + 1);
}