A4WaterUtilities.GeoNetTools.RemoveFlagBarrier C# (CSharp) Method

        public static void RemoveFlagBarrier(IPoint pPnt, IApplication app, double snapTol)
        {
            IProgressDialogFactory pProDFact = null;
            IStepProgressor pStepPro = null;
            IProgressDialog2 pProDlg = null;
            ITrackCancel pTrkCan = null;
            List<IGeometricNetwork> gnList = null;

            IMap pMap = null;
            INetworkAnalysisExt pNetAnalysisExt = null;

            UID pID = null;
            try
            {

                pMap = (app.Document as IMxDocument).FocusMap;
                bool boolCont = true;
                // Create a CancelTracker
                pTrkCan = new CancelTrackerClass();
                // Create the ProgressDialog. This automatically displays the dialog
                pProDFact = new ProgressDialogFactoryClass();
                pProDlg = (IProgressDialog2)pProDFact.Create(pTrkCan, 0);

                // Set the properties of the ProgressDialog
                pProDlg.CancelEnabled = true;

                pProDlg.Animation = esriProgressAnimationTypes.esriProgressGlobe;

                // Set the properties of the Step Progressor
                pStepPro = (IStepProgressor)pProDlg;

                pStepPro.MinRange = 0;
                pStepPro.MaxRange = 6;
                pStepPro.StepValue = 1;
                pStepPro.Position = 0;
                pStepPro.Message = A4LGSharedFunctions.Localizer.GetString("GeoNetToolsProc_4");

                gnList = Globals.GetGeometricNetworksCurrentlyVisible(ref pMap);

                if (gnList == null || gnList.Count == 0)
                {
                    MessageBox.Show(A4LGSharedFunctions.Localizer.GetString("GeoNetToolsError_2"), A4LGSharedFunctions.Localizer.GetString("GeoNetToolsErrorLbl_2"));
                    return;
                }

                // Create junction or edge flag at start of trace - also returns geometric network, snapped point, and EID of junction

                pStepPro.Message = A4LGSharedFunctions.Localizer.GetString("GeoNetToolsProc_5") + "/" + A4LGSharedFunctions.Localizer.GetString("GeoNetToolsProc_6");
                pStepPro.Step();
                boolCont = pTrkCan.Continue();

                if (!boolCont)
                {

                    pStepPro.Hide();
                    pProDlg.HideDialog();
                    pStepPro = null;
                    pProDlg = null;
                    pProDFact = null;
                    return;
                }

                if (app != null)
                {
                    pID = new UID();

                    pID.Value = "esriEditorExt.UtilityNetworkAnalysisExt";
                    pNetAnalysisExt = (INetworkAnalysisExt)app.FindExtensionByCLSID(pID);
                    Globals.RemoveFlagBarrierAtLocation(pPnt.X, pPnt.Y, ref pNetAnalysisExt, snapTol);
                }

            }
            catch (Exception ex)
            {
                MessageBox.Show(A4LGSharedFunctions.Localizer.GetString("ErrorInThe") + A4LGSharedFunctions.Localizer.GetString("GeoNetToolsLbl_3") + ": " + ex.ToString());

            }
            finally
            {
                if (pProDlg != null)
                {

                    pProDlg.HideDialog();
                }
                pStepPro = null;
                pProDlg = null;
                pProDFact = null;
                pTrkCan = null;
                gnList = null;
                pNetAnalysisExt = null;
                pMap = null;
                pID = null;
            }
        }