/// <summary> /// 获取图形信息用于显示在面板下方 /// </summary> /// <returns></returns> string IDrawObject.GetInfoAsString() { return(string.Format("bezierCurve@{0},{1} - L={2:f4}<{3:f4}", P1.PosAsString(), P4.PosAsString(), HitUtil.Distance(P1, P4), HitUtil.RadiansToDegrees(HitUtil.LineAngleR(P1, P4, 0)))); }