text: public override bool Equals(object obj){if (obj == null)return false;if (obj == this)return true;if (obj.GetType() != GetType())return false;HSSFChildAnchor anchor = (HSSFChildAnchor)obj;return anchor.Dx1 == Dx1 && anchor.Dx2 == Dx2 && anchor.Dy1 == Dy1&& anchor.Dy2 == Dy2;}