private void btnAddressBlockRetrieve_Click(object sender, EventArgs e)
        {
            //AddressBlockRetrieveRequest
            // setup EMsgAPI object - EM
            EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.AddressBlockRetrieveService EM = new EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.AddressBlockRetrieveService();

            // setup Authentication objects
            EMsgAPI_AddressBlockRetrieve_201101.RequestAuthentication reqAuth = new EMsgAPI_AddressBlockRetrieve_201101.RequestAuthentication();
            EMsgAPI_AddressBlockRetrieve_201101.XDDSAuthType XDDSAuth = new EMsgAPI_AddressBlockRetrieve_201101.XDDSAuthType();
            EMsgAPI_AddressBlockRetrieve_201101.UIDType uid = new EMsgAPI_AddressBlockRetrieve_201101.UIDType();

            // init Authentication objects
            XDDSAuth.Password = txtAccessCode.Text;
            uid.Value = txtUserId.Text;
            XDDSAuth.RequesterID = uid;
            reqAuth.Item = XDDSAuth;

            // Setup Request and AddressBlockRetrieveRequest / AddressBlockRetrieveResult object
            EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.Request Request = new EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.Request();
            EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.Response Response = new EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.Response();
            EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.AddressBlockRetrieveRequest AddressBlockRetrieve_Request = new EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.AddressBlockRetrieveRequest();
            EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.AddressBlockRetrieveResult AddressBlockRetrieve_Result = new EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.AddressBlockRetrieveResult();

            EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.BlockLevelType[] BlockLevel = new EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.BlockLevelType[2];
            BlockLevel[0] = new EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.BlockLevelType();
            BlockLevel[1] = new EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.BlockLevelType();

            BlockLevel[0] = EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.BlockLevelType.customer;
            BlockLevel[1] = EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.BlockLevelType.user;
            AddressBlockRetrieve_Request.BlockLevel = BlockLevel;

            // Set the Block store value (MessageREACH or XDDS)
            switch (cmbDomain.Text)
            {
                case "usme":
                case "flusme":  // Email Lists
                    AddressBlockRetrieve_Request.BlockStore = EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.BlockStoreType.MR;
                    break;
                case "xip":
                case "test2":  // Fax or Voice Lists
                    AddressBlockRetrieve_Request.BlockStore = EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.BlockStoreType.XDDS;
                    break;
            } // switch

            // Set DateRange
            EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.AddressBlockRetrieveRequestDateRange DateRange = new EMsgAPI_Demo.EMsgAPI_AddressBlockRetrieve_201101.AddressBlockRetrieveRequestDateRange();
            DateTime StartDateValue = new DateTime(dateTimePicker1.Value.Year, dateTimePicker1.Value.Month, dateTimePicker1.Value.Day, dateTimePicker1.Value.Hour, dateTimePicker1.Value.Minute, 0, dateTimePicker1.Value.Kind);
            DateRange.StartDate = StartDateValue;
            
            DateTime EndDateValue = new DateTime(dateTimePicker2.Value.Year, dateTimePicker2.Value.Month, dateTimePicker2.Value.Day, dateTimePicker2.Value.Hour, dateTimePicker2.Value.Minute, 0, dateTimePicker2.Value.Kind);
            DateRange.EndDate = EndDateValue;
            DateRange.EndDate = DateTime.Now;

            AddressBlockRetrieve_Request.DateRange = DateRange;
            
            // Set Server URL and Proxy information if needed
            Set_Server_and_Proxy(EM);

            // Setup Reqeust Object
            Request.ReceiverKey = EM.Url;
            Request.Authentication = reqAuth;

            // Assign Request and Response objects to EM Object
            EM.RequestValue = Request;
            EM.ResponseValue = Response;

            // Try the AddressBlockRetrieve function call
            try
            {
                AddressBlockRetrieve_Result = EM.AddressBlockRetrieve(AddressBlockRetrieve_Request);
            }
            catch (Exception ex)
            {
                System.Console.WriteLine(ex.Message);
                System.Console.Read();
                return;
            }

            string emfilename = "emresponse.xml";
            string resfilename = "result.xml";
            //string reqfilename = "request.xml";
            try
            {
                //This will output the response, result and request(if uncommented) to XML files in the
                //installed directory. This can be very usefull for debugging or ir help is requested from
                //the EMAPI support team
                if (chkResult)
                {
                    serializeResult(emfilename, EM.ResponseValue);
                    serializeResult(resfilename, AddressBlockRetrieve_Result);
                    //serializeResult(reqfilename, AddressBlockRetrieve_Request);
                }
            }
            catch (IOException io_error)
            {
                MessageBox.Show("Error - " + io_error, "Error", MessageBoxButtons.OK);
            }
        }