public static string AssignWKT(Document doc, string wktString)
        {
            if (string.IsNullOrEmpty(wktString))
            {
                return(wktString);
            }
            if (wktString == "<Undefined>")
            {
                return(wktString);
            }
            if (MSCPrj.IsWKID(wktString))
            {
                return("");
            }
            string result;

            try
            {
                using (doc.LockDocument((DocumentLockMode)20, null, null, false))
                {
                    using (Transaction transaction = doc.Database.TransactionManager.StartTransaction())
                    {
                        Database   database   = doc.Database;
                        Xrecord    xrecord    = new Xrecord();
                        TypedValue typedValue = new TypedValue(1, wktString);
                        xrecord.Data = (new ResultBuffer(new TypedValue[]
                        {
                            typedValue
                        }));
                        DBDictionary dBDictionary = (DBDictionary)transaction.GetObject(database.NamedObjectsDictionaryId, (OpenMode)1, false);
                        ObjectId     acadId       = dBDictionary.SetAt("ESRI_PRJ", xrecord);
                        xrecord.DisableUndoRecording(true);
                        transaction.AddNewlyCreatedDBObject(xrecord, true);
                        transaction.Commit();
                        AfaDocData.ActiveDocData.DocPRJ.WKT    = wktString;
                        AfaDocData.ActiveDocData.DocPRJ.AcadId = acadId;
                        foreach (MSCMapService current in AfaDocData.ActiveDocData.DocDataset.MapServices.Values)
                        {
                            current.RefreshConnectedService();
                        }
                        foreach (MSCImageService current2 in AfaDocData.ActiveDocData.DocDataset.ImageServices.Values)
                        {
                            current2.RefreshConnectedService();
                        }
                        result = wktString;
                    }
                }
            }
            catch (SystemException ex)
            {
                string arg_186_0 = ex.Message;
                result = "";
            }
            catch (Autodesk.AutoCAD.Runtime.Exception ex2)
            {
                string arg_199_0 = ex2.Message;
                result = "";
            }
            return(result);
        }
        private bool PerformLocate(string locateText)
        {
            Document document = AfaDocData.ActiveDocData.Document;
            Editor   editor   = document.Editor;

            if (string.IsNullOrEmpty(locateText))
            {
                editor.WriteMessage(AfaStrings.InvalidPlaceText);
                return(false);
            }
            AGSGeometryServer sampleServer = AGSGeometryServer.GetSampleServer();

            if (sampleServer == null)
            {
                ErrorReport.ShowErrorMessage(AfaStrings.UnableToConnectGeometryService);
                return(false);
            }
            string text = "PROJCS[\"WGS_1984_Web_Mercator_Auxiliary_Sphere\",GEOGCS[\"GCS_WGS_1984\",DATUM[\"D_WGS_1984\",SPHEROID[\"WGS_1984\",6378137.0,298.257223563]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Mercator_Auxiliary_Sphere\"],PARAMETER[\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",0.0],PARAMETER[\"Standard_Parallel_1\",0.0],PARAMETER[\"Auxiliary_Sphere_Type\",0.0],UNIT[\"Meter\",1.0],AUTHORITY[\"EPSG\",3857]]".ToString();
            bool   result;

            try
            {
                text = MSCPrj.ReadWKT(document);
                if (string.IsNullOrEmpty(text))
                {
                    text = "PROJCS[\"WGS_1984_Web_Mercator_Auxiliary_Sphere\",GEOGCS[\"GCS_WGS_1984\",DATUM[\"D_WGS_1984\",SPHEROID[\"WGS_1984\",6378137.0,298.257223563]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Mercator_Auxiliary_Sphere\"],PARAMETER[\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",0.0],PARAMETER[\"Standard_Parallel_1\",0.0],PARAMETER[\"Auxiliary_Sphere_Type\",0.0],UNIT[\"Meter\",1.0],AUTHORITY[\"EPSG\",3857]]".ToString();
                    MSCPrj.AssignWKT(document, "PROJCS[\"WGS_1984_Web_Mercator_Auxiliary_Sphere\",GEOGCS[\"GCS_WGS_1984\",DATUM[\"D_WGS_1984\",SPHEROID[\"WGS_1984\",6378137.0,298.257223563]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Mercator_Auxiliary_Sphere\"],PARAMETER[\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",0.0],PARAMETER[\"Standard_Parallel_1\",0.0],PARAMETER[\"Auxiliary_Sphere_Type\",0.0],UNIT[\"Meter\",1.0],AUTHORITY[\"EPSG\",3857]]");
                }
            }
            catch
            {
                ErrorReport.ShowErrorMessage(AfaStrings.ErrorCreatingWKT);
                result = false;
                return(result);
            }
            if (!MSCPrj.IsWKID(text))
            {
                try
                {
                    text = sampleServer.GetSpatialReferenceWKID(text);
                    if (string.IsNullOrEmpty(text))
                    {
                        string text2 = sampleServer.ErrorMessage;
                        if (string.IsNullOrEmpty(text2))
                        {
                            text2 = AfaStrings.UnsupportedCoordinateSystemForLocate;
                        }
                        ErrorReport.ShowErrorMessage(text2);
                        result = false;
                        return(result);
                    }
                }
                catch
                {
                    text = "PROJCS[\"WGS_1984_Web_Mercator_Auxiliary_Sphere\",GEOGCS[\"GCS_WGS_1984\",DATUM[\"D_WGS_1984\",SPHEROID[\"WGS_1984\",6378137.0,298.257223563]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Mercator_Auxiliary_Sphere\"],PARAMETER[\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",0.0],PARAMETER[\"Standard_Parallel_1\",0.0],PARAMETER[\"Auxiliary_Sphere_Type\",0.0],UNIT[\"Meter\",1.0],AUTHORITY[\"EPSG\",3857]]";
                }
            }
            try
            {
                Convert.ToInt32(text);
            }
            catch
            {
                editor.WriteMessage(AfaStrings.UnsupportedCoordinateSystemForLocate);
                result = false;
                return(result);
            }
            Mouse.OverrideCursor = Cursors.Wait;
            AGSLocator aGSLocator = this.cbLocator.SelectedItem as AGSLocator;
            string     uRL        = aGSLocator.URL;
            string     arg        = uRL.TrimEnd(new char[]
            {
                '/',
                '\\'
            });
            StringBuilder stringBuilder = new StringBuilder();

            stringBuilder.Append("/findAddressCandidates?SingleLine=");
            stringBuilder.Append(this.tbPlace.Text);
            stringBuilder.AppendFormat("&outSR={0}", text);
            stringBuilder.AppendFormat("&f={0}", "json");
            try
            {
                IDictionary <string, object> dictionary = aGSLocator.ParentConnection.MakeDictionaryRequest(arg + stringBuilder);
                if (dictionary.ContainsKey("error"))
                {
                    editor.WriteMessage(AfaStrings.ErrorConnectingToServer);
                    Mouse.OverrideCursor = null;
                    result = false;
                }
                else
                {
                    CadField cadField = new CadField();
                    cadField.Name     = AfaStrings.SearchString;
                    cadField.Value    = new TypedValue(1, this.tbPlace.Text);
                    cadField.ReadOnly = true;
                    if (dictionary.ContainsKey("candidates"))
                    {
                        DocUtil.FixPDMode();
                        using (document.LockDocument((DocumentLockMode)20, null, null, false))
                        {
                            List <ObjectId> list     = new List <ObjectId>();
                            Database        database = document.Database;
                            try
                            {
                                using (Transaction transaction = document.TransactionManager.StartTransaction())
                                {
                                    BlockTable       blockTable       = (BlockTable)transaction.GetObject(database.BlockTableId, (OpenMode)1, false);
                                    BlockTableRecord blockTableRecord = (BlockTableRecord)transaction.GetObject(blockTable[(BlockTableRecord.ModelSpace)], (OpenMode)1, false);
                                    this.CreateLocationsFeatureClass();
                                    DocUtil.FixPDMode();
                                    string               text3           = "ESRI_Locations";
                                    ObjectId             layer           = DocUtil.GetLayer(database, transaction, ref text3, null);
                                    ObjectId             blockDefinition = DocUtil.GetBlockDefinition(document, transaction, "ESRI_Locations");
                                    IEnumerable <object> enumerable      = dictionary["candidates"] as IEnumerable <object>;
                                    using (IEnumerator <object> enumerator = enumerable.GetEnumerator())
                                    {
                                        while (enumerator.MoveNext())
                                        {
                                            IDictionary <string, object> dictionary2 = (IDictionary <string, object>)enumerator.Current;
                                            CadField cadField2 = null;
                                            CadField cadField3 = null;
                                            if (dictionary2.ContainsKey("address"))
                                            {
                                                string text4 = dictionary2["address"].ToString();
                                                cadField3          = new CadField();
                                                cadField3.Name     = "Address";
                                                cadField3.Value    = new TypedValue(1, text4);
                                                cadField3.ReadOnly = true;
                                            }
                                            if (dictionary2.ContainsKey("score"))
                                            {
                                                try
                                                {
                                                    int num = Convert.ToInt32(dictionary2["score"]);
                                                    cadField2          = new CadField();
                                                    cadField2.Name     = "Score";
                                                    cadField2.Value    = new TypedValue(90, num);
                                                    cadField2.ReadOnly = true;
                                                }
                                                catch
                                                {
                                                }
                                            }
                                            if (dictionary2.ContainsKey("location"))
                                            {
                                                try
                                                {
                                                    IDictionary <string, object> dictionary3 = dictionary2["location"] as IDictionary <string, object>;
                                                    double num2 = Convert.ToDouble(dictionary3["x"]);
                                                    double num3 = Convert.ToDouble(dictionary3["y"]);
                                                    Entity entity;
                                                    if (blockDefinition != ObjectId.Null)
                                                    {
                                                        entity = new BlockReference(new Point3d(num2, num3, 0.0), blockDefinition);
                                                    }
                                                    else
                                                    {
                                                        entity = new DBPoint(new Point3d(num2, num3, 0.0));
                                                    }
                                                    entity.LayerId    = (layer);
                                                    entity.ColorIndex = (256);
                                                    ObjectId item = blockTableRecord.AppendEntity(entity);
                                                    transaction.AddNewlyCreatedDBObject(entity, true);
                                                    list.Add(item);
                                                    if (cadField3 != null)
                                                    {
                                                        CadField.AddCadAttributeToEntity(database, transaction, entity.ObjectId, cadField3);
                                                    }
                                                    if (cadField2 != null)
                                                    {
                                                        CadField.AddCadAttributeToEntity(database, transaction, entity.ObjectId, cadField2);
                                                    }
                                                    CadField.AddCadAttributeToEntity(database, transaction, entity.ObjectId, cadField);
                                                    document.TransactionManager.QueueForGraphicsFlush();
                                                    document.TransactionManager.FlushGraphics();
                                                    document.Editor.UpdateScreen();
                                                }
                                                catch
                                                {
                                                }
                                            }
                                        }
                                    }
                                    transaction.Commit();
                                    if (list.Count > 0)
                                    {
                                        ObjectId[] array = list.ToArray();
                                        DocUtil.ZoomToEntity(array);
                                        AfaDocData.ActiveDocData.DocDataset.UpdateMaps();
                                        AfaDocData.ActiveDocData.Document.Editor.UpdateScreen();
                                        AfaDocData.ActiveDocData.Document.Editor.Regen();
                                        Mouse.OverrideCursor = null;
                                        CmdLine.CancelActiveCommand();
                                        TableView tableView = new TableView(AfaDocData.ActiveDocData.GetActiveFeatureClassOrSubtype(), array);
                                        Autodesk.AutoCAD.ApplicationServices.Application.ShowModalDialog(Autodesk.AutoCAD.ApplicationServices.Application.MainWindow.Handle, tableView, false);
                                        tableView.Uninitialize();
                                        tableView.Dispose();
                                        this.SelectAndDelete();
                                        AfaDocData.ActiveDocData.DocDataset.UpdateMaps();
                                        AfaDocData.ActiveDocData.Document.Editor.UpdateScreen();
                                        AfaDocData.ActiveDocData.Document.Editor.Regen();
                                        result = true;
                                        return(result);
                                    }
                                    Mouse.OverrideCursor = null;
                                    editor.WriteMessage(AfaStrings.NoFeaturesFound + "  (" + this.tbPlace.Text + ")");
                                    result = false;
                                    return(result);
                                }
                            }
                            catch
                            {
                                Mouse.OverrideCursor = null;
                            }
                        }
                    }
                    Mouse.OverrideCursor = null;
                    result = false;
                }
            }
            catch
            {
                Mouse.OverrideCursor = null;
                editor.WriteMessage(AfaStrings.ErrorConnectingToServer);
                result = false;
            }
            return(result);
        }