public Ellipse(csPoin A, csPoin B) { begin = A; end = B; }
public Line(csPoin A, csPoin B) { begin = A; end = B; }
public Ellipse() { begin = new csPoin(0, 0); end = new csPoin(0, 0); }
public Line() { begin = new csPoin(0, 0); end = new csPoin(0, 0); }