Revit.SDK.Samples.ObjectViewer.CS.ObjectViewer.UpdateSketch3D C# (CSharp) Method

        private void UpdateSketch3D()
        {
            if (m_displayKind == DisplayKinds.GeometryModel)
            {
                GeometryData geomFactory;
                if(m_isSelectView)
                {
                    geomFactory = new GeometryData(m_selected, m_currentView);
                    m_detailLevel = DetailLevels.Undefined;

                }
                else
                {
                    geomFactory = new GeometryData(m_selected, m_detailLevel, m_currentView);
                }

                Graphics3DData geom3DData = geomFactory.Data3D;
                Graphics3DData old3DData = m_currentSketch3D.Data3D;
                geom3DData.CurrentUCS = old3DData.CurrentUCS;
                m_currentSketch3D.Data3D = geom3DData;
                m_currentSketch3D.Data2D = Graphics2DData.Empty;
            }
            else if (m_displayKind == DisplayKinds.AnalyticalModel)
            {
                ModelData modelFactory = new ModelData(m_selected);
                Graphics3DData model3DData = modelFactory.Data3D;
                Graphics2DData model2DData = modelFactory.Data2D;
                Graphics3DData old3DData = m_currentSketch3D.Data3D;
                model3DData.CurrentUCS = old3DData.CurrentUCS;
                m_currentSketch3D.Data3D = model3DData;
                m_currentSketch3D.Data2D = model2DData;
            }
        }