protected override void OnClick()
        {
            #region Prepare for editing
              IMouseCursor pMouseCursor = new MouseCursorClass();
              pMouseCursor.SetCursor(2);

              UID pUID = new UIDClass();
              pUID.Value = "{114D685F-99B7-4B63-B09F-6D1A41A4DDC1}";
              ICadastralExtensionManager2 pCadExtMan = (ICadastralExtensionManager2)ArcMap.Application.FindExtensionByCLSID(pUID);
              ICadastralEditor pCadEd = (ICadastralEditor)ArcMap.Application.FindExtensionByCLSID(pUID);

              //check if there is a Manual Mode "modify" job active ===========
              ICadastralPacketManager pCadPacMan = (ICadastralPacketManager)pCadExtMan;
              if (pCadPacMan.PacketOpen)
              {
            MessageBox.Show("This command cannot be used when there is an open job.\r\nPlease finish or discard the open job, and try again.",
              "Delete Selected Parcels");
            return;
              }

              IEditor pEd = (IEditor)ArcMap.Application.FindExtensionByName("esri object editor");

              IActiveView pActiveView = ArcMap.Document.ActiveView;
              IMap pMap = pActiveView.FocusMap;
              ICadastralFabric pCadFabric = null;
              clsFabricUtils FabricUTILS = new clsFabricUtils();
              IProgressDialog2 pProgressorDialog = null;

              //if we're in an edit session then grab the target fabric
              if (pEd.EditState == esriEditState.esriStateEditing)
            pCadFabric = pCadEd.CadastralFabric;
              else
              {
            MessageBox.Show("Please start editing and try again.");
            return;
              }

              if (pCadFabric == null)
              {//find the first fabric in the map
            if (!FabricUTILS.GetFabricFromMap(pMap, out pCadFabric))
            {
              MessageBox.Show
            ("No Parcel Fabric found in the map.\r\nPlease add a single fabric to the map, and try again.");
              return;
            }
              }

              IArray CFParcelLayers = new ArrayClass();

              if (!(FabricUTILS.GetFabricSubLayersFromFabric(pMap, pCadFabric, out CFPointLayer, out CFLineLayer,
              out CFParcelLayers, out CFControlLayer, out CFLinePointLayer)))
              {
            return; //no fabric sublayers available for the targeted fabric
              }

              //bool bIsFileBasedGDB = false; bool bIsUnVersioned = false; bool bUseNonVersionedDelete = false;
              //ICadastralFabricLayer pCFLayer = null;

              IWorkspace pWS = null;
              ITable pParcelsTable = null;
              ITable pLinesTable = null;
              ITable pLinePtsTable = null;
              ITable pPointsTable = null;
              pParcelsTable = (ITable)pCadFabric.get_CadastralTable(esriCadastralFabricTable.esriCFTParcels);
              pLinesTable = (ITable)pCadFabric.get_CadastralTable(esriCadastralFabricTable.esriCFTLines);
              pLinePtsTable = (ITable)pCadFabric.get_CadastralTable(esriCadastralFabricTable.esriCFTLinePoints);
              pPointsTable = (ITable)pCadFabric.get_CadastralTable(esriCadastralFabricTable.esriCFTPoints);
              #endregion

              dlgChangeParcelHistory pChangeHistoryDialog = new dlgChangeParcelHistory();
              // ********  Display the dialog  *********
              DialogResult pDialogResult = pChangeHistoryDialog.ShowDialog();
              if (pDialogResult != DialogResult.OK)
            return;
              //************************

            #region Get Selection
              //Get the selection of parcels
              IFeatureLayer pFL = (IFeatureLayer)CFParcelLayers.get_Element(0);

              IDataset pDS = (IDataset)pFL.FeatureClass;
              pWS = pDS.Workspace;

              ICadastralSelection pCadaSel = (ICadastralSelection)pCadEd;
              IEnumGSParcels pEnumGSParcels = pCadaSel.SelectedParcels;// need to get the parcels before trying to get the parcel count: BUG workaround

              IFeatureSelection pFeatSel = (IFeatureSelection)pFL;
              ISelectionSet2 pSelSet = (ISelectionSet2)pFeatSel.SelectionSet;
              ICadastralFabricSchemaEdit2 pSchemaEd = null;
              try
              {
            int iParcelCount = pCadaSel.SelectedParcelCount;
            bool m_bShowProgressor = (iParcelCount > 10);

            if (m_bShowProgressor)
            {
              m_pProgressorDialogFact = new ProgressDialogFactoryClass();
              m_pTrackCancel = new CancelTrackerClass();
              m_pStepProgressor = m_pProgressorDialogFact.Create(m_pTrackCancel, ArcMap.Application.hWnd);
              pProgressorDialog = (IProgressDialog2)m_pStepProgressor;
              m_pStepProgressor.MinRange = 1;
              m_pStepProgressor.MaxRange = iParcelCount * 14; //(estimate 7 lines per parcel, 4 pts per parcel)
              m_pStepProgressor.StepValue = 1;
              pProgressorDialog.Animation = ESRI.ArcGIS.Framework.esriProgressAnimationTypes.esriProgressSpiral;
            }

            if (m_bShowProgressor)
            {
              pProgressorDialog.ShowDialog();
              m_pStepProgressor.Message = "Initializing...";
            }

              #endregion

            #region Get Parcel History Fields
            //Get the parcel table history fields
            //SystemStart, SystemEnd, LegalStart, LegalEnd, Historic
            int iParcSysStartDate = pParcelsTable.FindField("systemstartdate");
            int iParcSysEndDate = pParcelsTable.FindField("systemenddate");
            int iParcLegalStartDate = pParcelsTable.FindField("legalstartdate");
            int iParcLegalEndDate = pParcelsTable.FindField("legalenddate");
            int iParcHistorical = pParcelsTable.FindField("historical");

            //Add the OIDs of all the selected parcels into a new feature IDSet
            //Need a Lookup for the History information
            Dictionary<int, string> ParcelToHistory_DICT = new Dictionary<int, string>();
            List<string> sOIDList = new List<string>();
            sOIDList.Add("");
            int tokenLimit = 995;
            bool bCont = true;
            int j = 0;
            int iCounter = 0;

            m_pFIDSetParcels = new FIDSetClass();

            pEnumGSParcels.Reset();
            IGSParcel pGSParcel = pEnumGSParcels.Next();
            while (pGSParcel != null)
            {
              //Check if the cancel button was pressed. If so, stop process
              if (m_bShowProgressor)
              {
            bCont = m_pTrackCancel.Continue();
            if (!bCont)
              break;
              }
              m_pFIDSetParcels.Add(pGSParcel.DatabaseId);

              if (iCounter <= tokenLimit)
              {
            if (sOIDList[j].Trim() == "")
              sOIDList[j] = Convert.ToString(pGSParcel.DatabaseId);
            else
              sOIDList[j] = sOIDList[j] + "," + Convert.ToString(pGSParcel.DatabaseId);
            iCounter++;
              }
              else
              {//maximum tokens reached
            iCounter = 0;
            //set up the next OIDList
            j++;
            sOIDList.Add("");
            sOIDList[j] = Convert.ToString(pGSParcel.DatabaseId);
              }

              //add to the lookup
              IGSAttributes pGSParcelAttributes = (IGSAttributes)pGSParcel;
              object pObj = pGSParcelAttributes.GetProperty("systemstartdate");
              string sSystemStartParcel = "";
              if (pObj != null)
            sSystemStartParcel = pObj.ToString();

              pObj = pGSParcelAttributes.GetProperty("systemenddate");
              string sSystemEndParcel = "";
              if (pObj != null)
            sSystemEndParcel = pObj.ToString();

              string sLegalStartParcel = pGSParcel.LegalStartDate.ToString();
              string sLegalEndParcel = pGSParcel.LegalEndDate.ToString();
              string sHistorical = pGSParcel.Historical.ToString();

              ParcelToHistory_DICT.Add(pGSParcel.DatabaseId, sSystemStartParcel + "," +
            sSystemEndParcel + "," + sLegalStartParcel + "," + sLegalEndParcel + "," +
            sHistorical);

              Marshal.ReleaseComObject(pGSParcel); //garbage collection
              pGSParcel = pEnumGSParcels.Next();
              if (m_bShowProgressor)
              {
            if (m_pStepProgressor.Position < m_pStepProgressor.MaxRange)
              m_pStepProgressor.Step();
              }
            }
            Marshal.ReleaseComObject(pEnumGSParcels); //garbage collection

            #endregion

            #region Confirm Edit Locks
              bool bIsFileBasedGDB = false;
              bool bIsUnVersioned = false;
              bool bUseNonVersioned = false;

              if (!FabricUTILS.SetupEditEnvironment(pWS, pCadFabric, pEd, out bIsFileBasedGDB,
                out bIsUnVersioned, out bUseNonVersioned))
            return;
              //if we're in an enterprise then test for edit locks
              string sTime = "";
              if (!bIsUnVersioned && !bIsFileBasedGDB)
              {
            //see if parcel locks can be obtained on the selected parcels. First create a job.
            DateTime localNow = DateTime.Now;
            sTime = Convert.ToString(localNow);
            ICadastralJob pJob = new CadastralJobClass();
            pJob.Name = sTime;
            pJob.Owner = System.Windows.Forms.SystemInformation.UserName;
            pJob.Description = "Delete selected parcels";
            try
            {
              Int32 jobId = pCadFabric.CreateJob(pJob);
            }
            catch (COMException ex)
            {
              if (ex.ErrorCode == (int)fdoError.FDO_E_CADASTRAL_FABRIC_JOB_ALREADY_EXISTS)
              {
                MessageBox.Show("Job named: '" + pJob.Name + "', already exists");
              }
              else
              {
                MessageBox.Show(ex.Message);
              }
              m_pStepProgressor = null;
              if (!(pProgressorDialog == null))
                pProgressorDialog.HideDialog();
              pProgressorDialog = null;
              Marshal.ReleaseComObject(pJob);
              if (bUseNonVersioned)
                pCadEd.CadastralFabricLayer = null;
              return;
            }
            Marshal.ReleaseComObject(pJob);
              }
              ICadastralFabricLocks pFabLocks = (ICadastralFabricLocks)pCadFabric;
              if (!bIsUnVersioned && !bIsFileBasedGDB)
              {
            pFabLocks.LockingJob = sTime;
            ILongArray pLocksInConflict = null;
            ILongArray pSoftLcksInConflict = null;

            ILongArray pParcelsToLock = new LongArrayClass();

            FabricUTILS.FIDsetToLongArray(m_pFIDSetParcels, ref pParcelsToLock, m_pStepProgressor);
            if (m_bShowProgressor && !bIsFileBasedGDB)
              m_pStepProgressor.Message = "Testing for edit locks on parcels...";

            try
            {
              pFabLocks.AcquireLocks(pParcelsToLock, true, ref pLocksInConflict, ref pSoftLcksInConflict);
            }
            catch (COMException pCOMEx)
            {
              if (pCOMEx.ErrorCode == (int)fdoError.FDO_E_CADASTRAL_FABRIC_JOB_LOCK_ALREADY_EXISTS ||
                pCOMEx.ErrorCode == (int)fdoError.FDO_E_CADASTRAL_FABRIC_JOB_CURRENTLY_EDITED)
              {
                MessageBox.Show("Edit Locks could not be acquired on all selected parcels.");
                // since the operation is being aborted, release any locks that were acquired
                pFabLocks.UndoLastAcquiredLocks();
              }
              else
                MessageBox.Show(pCOMEx.Message + Environment.NewLine + Convert.ToString(pCOMEx.ErrorCode));

              if (bUseNonVersioned)
                pCadEd.CadastralFabricLayer = null;
              return;
            }
            Marshal.ReleaseComObject(pSoftLcksInConflict);
            Marshal.ReleaseComObject(pParcelsToLock);
            Marshal.ReleaseComObject(pLocksInConflict);
              }
              #endregion

            string sParcelSysEndDate = pParcelsTable.Fields.get_Field(iParcSysEndDate).Name;
            string sParcelLegalStartDate = pParcelsTable.Fields.get_Field(iParcLegalStartDate).Name;
            string sParcelLegalEndDate = pParcelsTable.Fields.get_Field(iParcLegalEndDate).Name;
            string sParcelHistoric = pParcelsTable.Fields.get_Field(iParcHistorical).Name;

            if (m_bShowProgressor)
            {
              pProgressorDialog.ShowDialog();
              m_pStepProgressor.Message = "Updating parcel history...";
            }

            pEd.StartOperation();

            #region The Edit

            //make change to parcels
            bool bSuccess=false;
            ICursor pCurs=null;
            IQueryFilter pQuFilter= new QueryFilterClass();
            pQuFilter.SubFields = pParcelsTable.OIDFieldName + "," + sParcelLegalEndDate + "," + sParcelLegalStartDate
              + "," + sParcelSysEndDate + "," + sParcelHistoric;

            bool bSystemEndDate_Clear = pChangeHistoryDialog.chkSystemEndDate.Checked
              && pChangeHistoryDialog.optClearSEDate.Checked;
            bool bLegalStDate_Clear = pChangeHistoryDialog.chkLegalStartDate.Checked
              && pChangeHistoryDialog.optClearLSDate.Checked;
            bool bLegalEndDate_Clear = pChangeHistoryDialog.chkLegalEndDate.Checked
              && pChangeHistoryDialog.optClearLEDate.Checked;

            bool bSystemEndDate_Set = pChangeHistoryDialog.chkSystemEndDate.Checked
              && pChangeHistoryDialog.optChooseSEDate.Checked;
            bool bLegalStDate_Set = pChangeHistoryDialog.chkLegalStartDate.Checked
              && pChangeHistoryDialog.optChooseLSDate.Checked;
            bool bLegalEndDate_Set = pChangeHistoryDialog.chkLegalEndDate.Checked
              && pChangeHistoryDialog.optChooseLEDate.Checked;

              List<bool> bHistory = new List<bool>();
              bHistory.Add(bSystemEndDate_Clear);
              bHistory.Add(bLegalStDate_Clear);
              bHistory.Add(bLegalEndDate_Clear);
              bHistory.Add(bSystemEndDate_Set);
              bHistory.Add(bLegalStDate_Set);
              bHistory.Add(bLegalEndDate_Set);

              List<string> sDates = new List<string>();
              sDates.Add(pChangeHistoryDialog.dtSEDatePicker.Text);
              sDates.Add(pChangeHistoryDialog.dtLSDatePicker.Text);
              sDates.Add(pChangeHistoryDialog.dtLEDatePicker.Text);

              pSchemaEd = (ICadastralFabricSchemaEdit2)pCadFabric;
              pSchemaEd.ReleaseReadOnlyFields(pLinesTable, esriCadastralFabricTable.esriCFTLines); //release safety-catch
              pSchemaEd.ReleaseReadOnlyFields(pParcelsTable, esriCadastralFabricTable.esriCFTParcels); //release safety-catch
              pSchemaEd.ReleaseReadOnlyFields(pPointsTable, esriCadastralFabricTable.esriCFTPoints); //release safety-catch

              foreach (string sInClause in sOIDList)
            {
              if (sInClause.Trim() == "")
            continue;
              pQuFilter.WhereClause = pParcelsTable.OIDFieldName + " IN (" + sInClause + ")";
              pCurs=pParcelsTable.Update(pQuFilter,false);
              bSuccess = FabricUTILS.ChangeDatesOnTableMulti(pCurs, bHistory, sDates, bUseNonVersioned,
            ParcelToHistory_DICT,m_pStepProgressor, m_pTrackCancel);

              if (!bSuccess)
              {
            if (!bIsUnVersioned)
              pFabLocks.UndoLastAcquiredLocks();
            if (bUseNonVersioned)
              FabricUTILS.AbortEditing(pWS);
            else
              pEd.AbortOperation();
            //clear selection, to make sure the parcel explorer is updated and refreshed properly

            return;
              }
            }

            //make change to points and lines
              if (!FabricUTILS.UpdateHistoryOnLines(pLinesTable, pPointsTable, iParcelCount,
            pCadFabric, sOIDList, ParcelToHistory_DICT, m_pStepProgressor, m_pTrackCancel))
              {
            if (!bIsUnVersioned)
              pFabLocks.UndoLastAcquiredLocks();
            if (bUseNonVersioned)
              FabricUTILS.AbortEditing(pWS);
            else
              pEd.AbortOperation();
              }
              else
            pEd.StopOperation("Change Parcel History");

            #endregion

            //now refresh the map layers
            RefreshMap(pActiveView, CFParcelLayers, CFPointLayer, CFLineLayer, CFControlLayer, CFLinePointLayer);
              }

              catch (Exception ex)
              {
            pEd.AbortOperation();
            MessageBox.Show("Error:" + ex.Message);
              }
              finally
              {
            if (!(pProgressorDialog == null))
            {
              pProgressorDialog.HideDialog();
            }
            pSchemaEd.ResetReadOnlyFields(esriCadastralFabricTable.esriCFTPoints);//set safety back on
            pSchemaEd.ResetReadOnlyFields(esriCadastralFabricTable.esriCFTLines);//set safety back on
            pSchemaEd.ResetReadOnlyFields(esriCadastralFabricTable.esriCFTParcels);//set safety back on
              }
        }
        protected override void OnClick()
        {
            IMouseCursor pMouseCursor = new MouseCursorClass();
              pMouseCursor.SetCursor(2);

              //first get the selected parcel features
              UID pUID = new UIDClass();
              pUID.Value = "{114D685F-99B7-4B63-B09F-6D1A41A4DDC1}";
              ICadastralExtensionManager2 pCadExtMan = (ICadastralExtensionManager2)ArcMap.Application.FindExtensionByCLSID(pUID);
              ICadastralEditor pCadEd = (ICadastralEditor)ArcMap.Application.FindExtensionByCLSID(pUID);
              Marshal.ReleaseComObject(pUID);

              IEditor pEd = (IEditor)ArcMap.Application.FindExtensionByName("esri object editor");

              IFeatureLayer CFPointLayer = null; IFeatureLayer CFLineLayer = null;
              IFeatureLayer CFControlLayer = null;
              IFeatureLayer CFLinePointLayer = null;

              IActiveView pActiveView = ArcMap.Document.ActiveView;
              IMap pMap = pActiveView.FocusMap;
              ICadastralFabric pCadFabric = null;
              IProgressDialog2 pProgressorDialog = null;

              clsFabricUtils UTILS = new clsFabricUtils();

              //if we're in an edit session then grab the target fabric
              if (pEd.EditState == esriEditState.esriStateEditing)
            pCadFabric = pCadEd.CadastralFabric;

              if (pCadFabric == null)
              {//find the first fabric in the map
            if (!UTILS.GetFabricFromMap(pMap, out pCadFabric))
            {
              MessageBox.Show
            ("No Parcel Fabric found in the map.\r\nPlease add a single fabric to the map, and try again.");
              return;
            }
              }

              IArray CFParcelLayers = new ArrayClass();

              if (!(UTILS.GetFabricSubLayersFromFabric(pMap, pCadFabric, out CFPointLayer, out CFLineLayer,
              out CFParcelLayers, out CFControlLayer, out CFLinePointLayer)))
            return; //no fabric sublayers available for the targeted fabric

              bool bIsFileBasedGDB = false; bool bIsUnVersioned = false; bool bUseNonVersioned = false;
              IWorkspace pWS = null;
              try
              {
            //Get the selection of parcels
            IFeatureLayer pFL = (IFeatureLayer)CFParcelLayers.get_Element(0);
            IDataset pDS = (IDataset)pFL.FeatureClass;
            pWS = pDS.Workspace;

            if (!UTILS.SetupEditEnvironment(pWS, pCadFabric, pEd, out bIsFileBasedGDB,
              out bIsUnVersioned, out bUseNonVersioned))
              return;

            if (bUseNonVersioned)
            {
              ICadastralFabricLayer pCFLayer = new CadastralFabricLayerClass();
              pCFLayer.CadastralFabric = pCadFabric;
              pCadEd.CadastralFabricLayer = pCFLayer;//NOTE: Need to set this back to NULL when done.
            }

            Hashtable FabLyrToFieldMap = new Hashtable();
            DateChanger pDateChangerDialog = new DateChanger();
            pDateChangerDialog.cboBoxFabricClasses.Items.Clear();
            string[] FieldStrArr = new string[CFParcelLayers.Count];
            for (int i = 0; i < CFParcelLayers.Count; i++)
            {
              FieldStrArr[i] = "";
              IFeatureLayer lyr = (IFeatureLayer)CFParcelLayers.get_Element(i);
               //   ICadastralFabricLayer cflyr = CFParcelLayers.get_Element(i);

              pDateChangerDialog.cboBoxFabricClasses.Items.Add(lyr.Name);
              IFields pFlds = lyr.FeatureClass.Fields;
              for (int j = 0; j < lyr.FeatureClass.Fields.FieldCount; j++)
              {
            IField pFld = lyr.FeatureClass.Fields.get_Field(j);
            if (pFld.Type == esriFieldType.esriFieldTypeDate)
            {
              if (FieldStrArr[i].Trim() == "")
                FieldStrArr[i] = pFld.Name;
              else
                FieldStrArr[i] += "," + pFld.Name;
            }
              }
              FabLyrToFieldMap.Add(i, FieldStrArr[i]);
            }
            pDateChangerDialog.FieldMap = FabLyrToFieldMap;
            pDateChangerDialog.cboBoxFabricClasses.SelectedIndex = 0;

            // ********  Display the dialog  *********
            DialogResult pDialogResult = pDateChangerDialog.ShowDialog();
            if (pDialogResult != DialogResult.OK)
              return;
            //************************

            //*** get the choices from the dialog
            IFeatureLayer flyr = (IFeatureLayer)CFParcelLayers.get_Element(pDateChangerDialog.cboBoxFabricClasses.SelectedIndex);
            int iDateFld = flyr.FeatureClass.Fields.FindField(pDateChangerDialog.cboBoxFields.Text);

            if (pDateChangerDialog.radioButton2.Checked)
            {
              IField pFld = flyr.FeatureClass.Fields.get_Field(iDateFld);
              if (!pFld.IsNullable)
              {
            MessageBox.Show("The field you selected does not allow NULL values, and must have a date." + Environment.NewLine +
            "Please try again using the date option, or using a different date field.", "Field does not Allow Null", MessageBoxButtons.OK, MessageBoxIcon.Information);
            return;
              }
            }

            ICadastralFabricSubLayer pSubLyr = (ICadastralFabricSubLayer)flyr;
            bool bLines = false;
            bool bParcels = false;
            if (pSubLyr.CadastralTableType == esriCadastralFabricTable.esriCFTLines)
              bLines = true;
            if (pSubLyr.CadastralTableType == esriCadastralFabricTable.esriCFTParcels)
              bParcels = true;

            //find out if there is a selection for the chosen layer
            bool ChosenLayerHasSelection = false;

            IFeatureSelection pFeatSel = null;
            ISelectionSet2 pSelSet = null;
            ICadastralSelection pCadaSel = null;
            IEnumGSParcels pEnumGSParcels = null;

            int iFeatureCnt = 0;
            pFeatSel = (IFeatureSelection)flyr;
            if (pFeatSel != null)
            {
              pSelSet = (ISelectionSet2)pFeatSel.SelectionSet;
              ChosenLayerHasSelection = (pSelSet.Count > 0);
              iFeatureCnt = pSelSet.Count;
            }
            //****

            if (iFeatureCnt == 0)
            {
              if (MessageBox.Show("There are no features selected in the " + flyr.Name + " layer." + Environment.NewLine + "Click OK to Change dates for ALL features in the layer.", "No Selection",
            MessageBoxButtons.OKCancel) != DialogResult.OK)
            return;
            }
            else
            {
              pCadaSel = (ICadastralSelection)pCadEd;
              //** TODO: this enum should be based on the selected points, lines, or line-points
              pEnumGSParcels = pCadaSel.SelectedParcels;// need to get the parcels before trying to get the parcel count: BUG workaround
              //***
            }

            if (iFeatureCnt == 0)
            {
              m_pCursor = (ICursor)flyr.FeatureClass.Search(null, false);
              ITable pTable = (ITable)flyr.FeatureClass;
              iFeatureCnt = pTable.RowCount(null);
            }

            m_bShowProgressor = (iFeatureCnt > 10);
            if (m_bShowProgressor)
            {
              m_pProgressorDialogFact = new ProgressDialogFactoryClass();
              m_pTrackCancel = new CancelTrackerClass();
              m_pStepProgressor = m_pProgressorDialogFact.Create(m_pTrackCancel, ArcMap.Application.hWnd);
              pProgressorDialog = (IProgressDialog2)m_pStepProgressor;
              m_pStepProgressor.MinRange = 1;
              m_pStepProgressor.MaxRange = iFeatureCnt;
              m_pStepProgressor.StepValue = 1;
              pProgressorDialog.Animation = ESRI.ArcGIS.Framework.esriProgressAnimationTypes.esriProgressSpiral;
            }
            m_pQF = new QueryFilterClass();
            string sPref; string sSuff;

            ISQLSyntax pSQLSyntax = (ISQLSyntax)pWS;
            sPref = pSQLSyntax.GetSpecialCharacter(esriSQLSpecialCharacters.esriSQL_DelimitedIdentifierPrefix);
            sSuff = pSQLSyntax.GetSpecialCharacter(esriSQLSpecialCharacters.esriSQL_DelimitedIdentifierSuffix);

            //====== need to do this for all the parcel sublayers in the map that are part of the target fabric
            if (m_bShowProgressor)
            {
              pProgressorDialog.ShowDialog();
              m_pStepProgressor.Message = "Collecting data...";
            }

            bool bCont = true;
            m_pFIDSetParcels = new FIDSetClass();

            if (ChosenLayerHasSelection && bParcels && !bIsUnVersioned)
            {
              //if there is a selection add the OIDs of all the selected parcels into a new feature IDSet
              pEnumGSParcels.Reset();
              IGSParcel pGSParcel = pEnumGSParcels.Next();

              while (pGSParcel != null)
              {
            //Check if the cancel button was pressed. If so, stop process
            if (m_bShowProgressor)
            {
              bCont = m_pTrackCancel.Continue();
              if (!bCont)
                break;
            }
            m_pFIDSetParcels.Add(pGSParcel.DatabaseId);
            Marshal.ReleaseComObject(pGSParcel); //garbage collection
            pGSParcel = pEnumGSParcels.Next();
            //}
            if (m_bShowProgressor)
            {
              if (m_pStepProgressor.Position < m_pStepProgressor.MaxRange)
                m_pStepProgressor.Step();
            }
              }
            }

            if ((!ChosenLayerHasSelection && bParcels && !bIsUnVersioned) ||
            (!ChosenLayerHasSelection && bLines && !bIsUnVersioned))
            {
              IRow pRow = m_pCursor.NextRow();
              while (pRow != null)
              {
            m_pFIDSetParcels.Add(pRow.OID);
            Marshal.ReleaseComObject(pRow);
            pRow = m_pCursor.NextRow();
              }
              Marshal.ReleaseComObject(m_pCursor);
            }

            if (bLines && ChosenLayerHasSelection && !bIsUnVersioned)
            {
              pSelSet.Search(null, false, out m_pCursor);
              IRow pRow = m_pCursor.NextRow();
              int iFld = m_pCursor.FindField("PARCELID");
              while (pRow != null)
              {
            m_pFIDSetParcels.Add((int)pRow.get_Value(iFld));
            Marshal.ReleaseComObject(pRow);
            pRow = m_pCursor.NextRow();
              }
              Marshal.ReleaseComObject(m_pCursor);
            }

            //=========================================================
            if (!bCont)
            {
              //Since I'm using update cursor need to clear the cadastral selection
              pCadaSel.SelectedParcels = null;
              //clear selection, to make sure the parcel explorer is updated and refreshed properly
              return;
            }

            string sTime = "";
            if (!bIsUnVersioned)
            {
              //see if parcel locks can be obtained on the selected parcels. First create a job.
              DateTime localNow = DateTime.Now;
              sTime = Convert.ToString(localNow);
              ICadastralJob pJob = new CadastralJobClass();
              pJob.Name = sTime;
              pJob.Owner = System.Windows.Forms.SystemInformation.UserName;
              pJob.Description = "Change Date on selected parcels";
              try
              {
            Int32 jobId = pCadFabric.CreateJob(pJob);
              }
              catch (COMException ex)
              {
            if (ex.ErrorCode == (int)fdoError.FDO_E_CADASTRAL_FABRIC_JOB_ALREADY_EXISTS)
            {
              MessageBox.Show("Job named: '" + pJob.Name + "', already exists");
            }
            else
            {
              MessageBox.Show(ex.Message);
            }
            m_pStepProgressor = null;
            if (!(pProgressorDialog == null))
              pProgressorDialog.HideDialog();
            pProgressorDialog = null;
            if (bUseNonVersioned)
              pCadEd.CadastralFabricLayer = null;
            return;
              }
            }

            //if we're in an enterprise then test for edit locks
            ICadastralFabricLocks pFabLocks = (ICadastralFabricLocks)pCadFabric;
            if (!bIsUnVersioned)
            {
              pFabLocks.LockingJob = sTime;
              ILongArray pLocksInConflict = null;
              ILongArray pSoftLcksInConflict = null;

              ILongArray pParcelsToLock = new LongArrayClass();

              UTILS.FIDsetToLongArray(m_pFIDSetParcels, ref pParcelsToLock, m_pStepProgressor);
              if (m_pStepProgressor != null && !bIsFileBasedGDB)
            m_pStepProgressor.Message = "Testing for edit locks on parcels...";

              try
              {
            pFabLocks.AcquireLocks(pParcelsToLock, true, ref pLocksInConflict, ref pSoftLcksInConflict);
              }
              catch (COMException pCOMEx)
              {
            if (pCOMEx.ErrorCode == (int)fdoError.FDO_E_CADASTRAL_FABRIC_JOB_LOCK_ALREADY_EXISTS)
            {
              MessageBox.Show("Edit Locks could not be acquired on all selected parcels.");
              // since the operation is being aborted, release any locks that were acquired
              pFabLocks.UndoLastAcquiredLocks();
              //clear selection, to make sure the parcel explorer is updated and refreshed properly
              RefreshMap(pActiveView, CFParcelLayers, CFPointLayer, CFLineLayer, CFControlLayer, CFLinePointLayer);
            }
            else
            {
              MessageBox.Show(Convert.ToString(pCOMEx.ErrorCode));
            }

            if (bUseNonVersioned)
              pCadEd.CadastralFabricLayer = null;
            return;
              }
            }

            //Now... start the edit. Start an edit operation.
            if (pEd.EditState == esriEditState.esriStateEditing)
              pEd.StartOperation();

            if (bUseNonVersioned)
            {
              if (!UTILS.StartEditing(pWS, bUseNonVersioned))
              {
            if (bUseNonVersioned)
              pCadEd.CadastralFabricLayer = null;
            return;
              }
            }

            //Change all the date records
            if (m_pStepProgressor != null)
              m_pStepProgressor.Message = "Changing dates...";

            bool bSuccess = true;

            ITable Table2Edit = (ITable)flyr.FeatureClass;
            ITableWrite pTableWr = (ITableWrite)Table2Edit;

            if (ChosenLayerHasSelection)
              //TODO: Selection based update does not work on unversioned tables
              //need to change this code to create an update cursor from the selection,
              //including code for tokens > 995
              pSelSet.Update(null, false, out m_pCursor);
            else
            {
              if (bUseNonVersioned)
              {
            m_pCursor = pTableWr.UpdateRows(null, false);
              }
              else
            m_pCursor = Table2Edit.Update(null, false);
            }
            ICadastralFabricSchemaEdit2 pSchemaEd = (ICadastralFabricSchemaEdit2)pCadFabric;
            if (bLines)
              pSchemaEd.ReleaseReadOnlyFields(Table2Edit,
            esriCadastralFabricTable.esriCFTLines); //release safety-catch
            else if (bParcels)
              pSchemaEd.ReleaseReadOnlyFields(Table2Edit,
            esriCadastralFabricTable.esriCFTParcels); //release safety-catch
            else
            {
              pSchemaEd.ReleaseReadOnlyFields(Table2Edit,
            esriCadastralFabricTable.esriCFTPoints); //release safety-catch
              pSchemaEd.ReleaseReadOnlyFields(Table2Edit,
            esriCadastralFabricTable.esriCFTControl); //release safety-catch
              pSchemaEd.ReleaseReadOnlyFields(Table2Edit,
            esriCadastralFabricTable.esriCFTLinePoints); //release safety-catch
            }

            if (pDateChangerDialog.radioButton2.Checked)
              bSuccess = UTILS.ChangeDatesOnTable(m_pCursor, pDateChangerDialog.cboBoxFields.Text, "",
            bUseNonVersioned, m_pStepProgressor, m_pTrackCancel);
            else
              bSuccess = UTILS.ChangeDatesOnTable(m_pCursor, pDateChangerDialog.cboBoxFields.Text,
            pDateChangerDialog.dateTimePicker1.Text, bUseNonVersioned, m_pStepProgressor, m_pTrackCancel);

            if (!bSuccess)
            {
              if (!bIsUnVersioned)
            pFabLocks.UndoLastAcquiredLocks();
              if (bUseNonVersioned)
            UTILS.AbortEditing(pWS);
              else
            pEd.AbortOperation();
              //clear selection, to make sure the parcel explorer is updated and refreshed properly

              return;
            }

            if (pEd.EditState == esriEditState.esriStateEditing)
              pEd.StopOperation("Change Date");

            if (bUseNonVersioned)
              UTILS.StopEditing(pWS);

            if (bParcels)
              pSchemaEd.ResetReadOnlyFields(esriCadastralFabricTable.esriCFTParcels);
            else if (bLines)
              pSchemaEd.ResetReadOnlyFields(esriCadastralFabricTable.esriCFTLines);
            else
            {
              pSchemaEd.ResetReadOnlyFields(esriCadastralFabricTable.esriCFTPoints); //release safety-catch
              pSchemaEd.ResetReadOnlyFields(esriCadastralFabricTable.esriCFTControl); //release safety-catch
              pSchemaEd.ResetReadOnlyFields(esriCadastralFabricTable.esriCFTLinePoints); //release safety-catch
            }

              }
              catch (Exception ex)
              {
            MessageBox.Show("Error:" + ex.Message);
            if (bUseNonVersioned)
              UTILS.AbortEditing(pWS);
            else
              pEd.AbortOperation();
              }
              finally
              {
            RefreshMap(pActiveView, CFParcelLayers, CFPointLayer, CFLineLayer, CFControlLayer, CFLinePointLayer);

            if (bUseNonVersioned)
            {
              pCadEd.CadastralFabricLayer = null;
              CFParcelLayers = null;
              CFPointLayer = null;
              CFLineLayer = null;
              CFControlLayer = null;
              CFLinePointLayer = null;
            }

            m_pStepProgressor = null;
            if (!(pProgressorDialog == null))
              pProgressorDialog.HideDialog();
            pProgressorDialog = null;
              }
        }