Canguro.Controller.CommandServices.onEnterData C# (CSharp) Метод

        void onEnterData(object sender, Canguro.View.EnterDataEventArgs e)
        {
            char[] charSeparators = new char[] {',', ';', ' ', '\t', '@'};
            waitingObj = null;

            switch (selectionFilter)
            {
                case WaitingFor.Point:
                    if (!string.IsNullOrEmpty(e.Data))
                    {
                        bool relativePt = false;
                        string trimmedPt = e.Data.Trim();
                        if (trimmedPt.Length > 0 && trimmedPt[0] == '@')
                            relativePt = true;

                        string[] pt = trimmedPt.Split(charSeparators, StringSplitOptions.RemoveEmptyEntries);
                        Microsoft.DirectX.Vector3 v;

                        try
                        {
                            if (pt.Length != 3) throw new FormatException();
                            v = new Microsoft.DirectX.Vector3(
                                float.Parse(pt[0]), float.Parse(pt[1]), float.Parse(pt[2]));
                            if (relativePt)
                                v += lastPoint;
                        }
                        catch (FormatException)
                        {
                            System.Windows.Forms.MessageBox.Show(
                                Culture.Get("enterDataError") + "'" + Culture.Get("enterDataPoint") + "'",
                                Culture.Get("enterDataErrorTitle"), System.Windows.Forms.MessageBoxButtons.OK,
                                System.Windows.Forms.MessageBoxIcon.Error);

                            return;
                        }
                        waitingObj = new Snap.PointMagnet(v);
                    }

                    selectionFilter = WaitingFor.None;
                    break;

                case WaitingFor.Joint:
                    parseItem(e.Data, Canguro.Model.Model.Instance.JointList, Culture.Get("enterDataJoint"));
                    break;

                case WaitingFor.Line:
                    parseItem(e.Data, Canguro.Model.Model.Instance.LineList, Culture.Get("enterDataLine"));
                    break;

                case WaitingFor.Area:
                    parseItem(e.Data, Canguro.Model.Model.Instance.AreaList, Culture.Get("enterDataArea"));
                    break;

                case WaitingFor.Text:
                    waitingObj = e.Data;
                    selectionFilter = WaitingFor.None;
                    break;

                case WaitingFor.SimpleValue:
                    try
                    {
                        waitingObj = float.Parse(e.Data);
                        selectionFilter = WaitingFor.None;
                    }
                    catch (FormatException)
                    {
                        System.Windows.Forms.MessageBox.Show(
                            Culture.Get("enterDataError") + "'" + Culture.Get("enterDataSimpleValue") + "'",
                            Culture.Get("enterDataErrorTitle"), System.Windows.Forms.MessageBoxButtons.OK,
                            System.Windows.Forms.MessageBoxIcon.Error);

                        return;
                    }
                    break;

                case WaitingFor.Any:
                case WaitingFor.Many:
                case WaitingFor.None:
                    break;

                default:
                    throw new NotImplementedException("CommandServices.onEnterData");
            }
        }