A4WaterUtilities.AddLineWithEndPoints.OnSketchFinished C# (CSharp) Method

        private void OnSketchFinished()
        {
            ConfigUtil.type = "water";
            IFeature pFeat = null;
            ISegmentCollection pSegColl = null;
            IEnumSegment pESeg = null;
            ISegment testSegment = null;
            ISegmentCollection segColTest = null;
            object Missing = null;
            try
            {
                // Send a shift-tab to hide the construction toolbar

                try
                {
                    m_editor.StartOperation();
                }
                catch
                {

                    m_editor.AbortOperation();
                    m_editor.StartOperation();
                }
                bool twoPoint = false;
                (ArcMap.Application.Document as IMxDocument).FocusMap.ClearSelection();
                List<IFeature> pLstFeat = null;
                if (Control.ModifierKeys == Keys.Control)
                {
                    twoPoint = CreateLineWithEndPoints.CreatePoints(ArcMap.Application, ConfigUtil.GetLinePointAtEndsConfig(), m_edSketch.Geometry as IPolyline, (IFeatureLayer)m_editor.CurrentTemplate.Layer, false, out pLstFeat);
                }
                else
                {
                    twoPoint = CreateLineWithEndPoints.CreatePoints(ArcMap.Application, ConfigUtil.GetLinePointAtEndsConfig(), m_edSketch.Geometry as IPolyline, (IFeatureLayer)m_editor.CurrentTemplate.Layer, true, out pLstFeat);
                }

                if (twoPoint)
                {

                    pSegColl = (ISegmentCollection)m_edSketch.Geometry;
                    pESeg = pSegColl.EnumSegments;
                    pESeg.Reset();

                    int partIndex = 0;
                    int segmentIndex = 0;

                    pESeg.Next(out testSegment, ref partIndex, ref segmentIndex);

                    while (testSegment != null)
                    {

                        segColTest = new PolylineClass();

                        Missing = Type.Missing;
                        segColTest.AddSegment(testSegment, ref Missing, ref Missing);

                        pFeat = Globals.CreateFeature(segColTest as IGeometry, m_editor.CurrentTemplate, m_editor, ArcMap.Application, false, false, true);
                        pFeat.Store();
                        pESeg.Next(out testSegment, ref partIndex, ref segmentIndex);
                    }
                }
                else
                {
                    pFeat = Globals.CreateFeature(m_edSketch.Geometry, m_editor.CurrentTemplate, m_editor, ArcMap.Application, false, false, true);
                    pFeat.Store();

                }

                foreach (IFeature pFt in pLstFeat)
                {
                    pFt.Store();
                }
                pLstFeat = null;

                m_editor.StopOperation(A4LGSharedFunctions.Localizer.GetString("CrtLnWithPts"));
                (ArcMap.Application.Document as IMxDocument).ActiveView.PartialRefresh(esriViewDrawPhase.esriViewAll, null, null);

            }
            catch { }
            finally
            {
                pFeat = null;
                pSegColl = null;
                pESeg = null;
                testSegment = null;
                segColTest = null;
                Missing = null;

            }
        }