MARKUS

        /// call when mouse is moving while drawing control

        /// </summary>

        /// <author>humkyung</author>

        /// <param name="pt"></param>

        /// <param name="bAxisLocked"></param>

        public override void OnCreatingMouseMove(Point pt, bool bAxisLocked, bool bShiftKeyPressed)

        {

            this.EndPoint = pt;

            if (this.MiddlePoint == new Point(0, 0))

            {

                if (bAxisLocked || bShiftKeyPressed)

                {

                    Point tmp = this.EndPoint;

                    string angle = MathSet.returnAngleString(this.StartPoint, ref tmp, true);

                    this.EndPoint = tmp;

                }

            }

            else

            {

                if (bAxisLocked || bShiftKeyPressed)

                {

                    Point tmp = this.EndPoint;

                    string angle = MathSet.returnAngleString(this.MiddlePoint, ref tmp, true);

                    this.EndPoint = tmp;

                }

            }

            this.PointSet = new List<Point>

            {

                this.StartPoint,

                this.MiddlePoint,

                this.EndPoint,

            };

        }

        /// <summary>