Canguro.Commands.Model.AddLineCmd.Run C# (CSharp) Метод

        public override void Run(Canguro.Controller.CommandServices services)
        {
            LineElement line;
            Joint joint1, joint2;
            LineProps props = new StraightFrameProps();
            List<LineElement> newLines = new List<LineElement>();
            List<AreaElement> newAreas = new List<AreaElement>();

            services.GetProperties(Culture.Get("addLineProps"), props);

            try
            {
                while ((joint1 = services.GetJoint(newLines)) != null)
                {
                    services.TrackingService = LineTrackingService.Instance;
                    services.TrackingService.SetPoint(joint1.Position);

                    while ((joint2 = services.GetJoint(newLines)) == joint1) ;

                    if (joint2 == null)
                    {
                        services.Model.JointList.Remove(joint1);
                        break;
                    }
                    services.TrackingService = null;

                    services.Model.LineList.Add(line = new LineElement(props, joint1, joint2));
                    newLines.Add(line);

                    // Para que se refleje el cambio inmediatamente
                    services.Model.ChangeModel();
                }
            }
            catch (Canguro.Controller.CancelCommandException) { }
            JoinCmd.Join(services.Model, new List<Joint>(), newLines, newAreas);
        }