Canguro.Controller.ItemTextBuilder.getLineForcesInfo C# (CSharp) Method

        private string getLineForcesInfo(LineElement l, float xPos, RenderOptions.InternalForces iForces)
        {
            string force = units.UnitName(Canguro.Model.UnitSystem.Units.Force);
            string moment = units.UnitName(Canguro.Model.UnitSystem.Units.Moment);

            string unitStr = force;
            float[] diagram;
            string iForceName = string.Empty;
            int numPoints = Properties.Settings.Default.ElementForcesSegments;
            Model.Load.AbstractCase ac = model.Results.ActiveCase.AbstractCase;
            Model.Load.LineForceComponent component = Canguro.Model.Load.LineForceComponent.Axial;

            bool lastUndoEnabled = model.Undo.Enabled;
            bool lastUnitSystemEnabled = Model.UnitSystem.UnitSystemsManager.Instance.Enabled;

            try
            {
                if (model.IsLocked)
                    model.Undo.Enabled = false;

                Model.UnitSystem.UnitSystemsManager.Instance.Enabled = false;

                Analysis.LineStressCalculator calc = new Analysis.LineStressCalculator();

                // Shear forces
                switch (iForces)
                {
                    case RenderOptions.InternalForces.Sx:
                        component = Canguro.Model.Load.LineForceComponent.Axial;
                        iForceName = Culture.Get("Axial");
                        break;
                    case RenderOptions.InternalForces.Sy:
                        component = Canguro.Model.Load.LineForceComponent.Shear22;
                        iForceName = Culture.Get("Shear") + " 22";
                        break;
                    case RenderOptions.InternalForces.Sz:
                        component = Canguro.Model.Load.LineForceComponent.Shear33;
                        iForceName = Culture.Get("Shear") + " 33";
                        break;

                    // Moments
                    case RenderOptions.InternalForces.Mx:
                        component = Canguro.Model.Load.LineForceComponent.Torsion;
                        iForceName = Culture.Get("Torsion");
                        unitStr = moment;
                        break;
                    case RenderOptions.InternalForces.My:
                        component = Canguro.Model.Load.LineForceComponent.Moment22;
                        iForceName = Culture.Get("Moment") + " 22";
                        unitStr = moment;
                        break;
                    case RenderOptions.InternalForces.Mz:
                        component = Canguro.Model.Load.LineForceComponent.Moment33;
                        iForceName = Culture.Get("Moment") + " 33";
                        unitStr = moment;
                        break;
                }

                // Get Diagram
                diagram = calc.GetForceAtPoint(ac, l, component, xPos);
            }
            finally
            {
                Model.UnitSystem.UnitSystemsManager.Instance.Enabled = lastUnitSystemEnabled;
                model.Undo.Enabled = lastUndoEnabled;
            }

            return "\n" + iForceName + ": " + units.FromInternational(diagram[1], Canguro.Model.UnitSystem.Units.Force).ToString("G3") + unitStr;
        }