private void ListDeleteRequest_Click(object sender, EventArgs e)
        {
            //ListDeleteRequest
            // setup EMsgAPI object - EM
            EMsgAPI_Demo.EMsgAPI_ListDelete_201101.ListDeleteService EM = new EMsgAPI_Demo.EMsgAPI_ListDelete_201101.ListDeleteService();

            // setup Authentication objects
            EMsgAPI_ListDelete_201101.RequestAuthentication reqAuth = new EMsgAPI_ListDelete_201101.RequestAuthentication();
            EMsgAPI_ListDelete_201101.XDDSAuthType XDDSAuth = new EMsgAPI_ListDelete_201101.XDDSAuthType();
            EMsgAPI_ListDelete_201101.UIDType uid = new EMsgAPI_ListDelete_201101.UIDType();

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

            // Setup Request and JobSummaryRequest / JobSummaryResult object
            EMsgAPI_Demo.EMsgAPI_ListDelete_201101.Request Request = new EMsgAPI_Demo.EMsgAPI_ListDelete_201101.Request();
            EMsgAPI_Demo.EMsgAPI_ListDelete_201101.Response Response = new EMsgAPI_Demo.EMsgAPI_ListDelete_201101.Response();
            EMsgAPI_Demo.EMsgAPI_ListDelete_201101.ListDeleteRequest ListDelete_Request = new EMsgAPI_Demo.EMsgAPI_ListDelete_201101.ListDeleteRequest();
            EMsgAPI_Demo.EMsgAPI_ListDelete_201101.ListDeleteResult ListDelete_Result = new EMsgAPI_Demo.EMsgAPI_ListDelete_201101.ListDeleteResult();

            // Create ListIdType Object
            EMsgAPI_Demo.EMsgAPI_ListDelete_201101.ListIdType ListID = new EMsgAPI_Demo.EMsgAPI_ListDelete_201101.ListIdType();

            // Set the List ownership based on cmbListOwnership value
            switch (cmbListOwnership.Text)
            {
                case "customer":  // customer level list
                    ListID.ownership = EMsgAPI_Demo.EMsgAPI_ListDelete_201101.OwnershipLevelType.customer;
                    break;
                case "user":      // user level list
                    ListID.ownership = EMsgAPI_Demo.EMsgAPI_ListDelete_201101.OwnershipLevelType.user;
                    break;
                default:          // default to system level list
                    ListID.ownership = EMsgAPI_Demo.EMsgAPI_ListDelete_201101.OwnershipLevelType.system;
                    break;
            } // switch

            // set ownershipSpecified value
            ListID.ownershipSpecified = true;

            // Set the List store value (MessageREACH or XDDS)
            switch (cmbDomain.Text)
            {
                case "usme":
                case "flusme":  // Email Lists
                    ListID.liststore = EMsgAPI_Demo.EMsgAPI_ListDelete_201101.ListStoreType.MR;
                    break;
                case "xip":
                case "test2":  // Fax or Voice Lists
                    ListID.liststore = EMsgAPI_Demo.EMsgAPI_ListDelete_201101.ListStoreType.XDDS;
                    break;
            } // switch

            // Set List Name
            ListID.Value = txtListName.Text;

            // Configure ListCreateReqeust object by assigning ListId object to request
            ListDelete_Request.ListId = ListID;

            // Free ListId object
            ListID = null;

            // 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 ListCreate function call
            try
            {
                ListDelete_Result = EM.ListDelete(ListDelete_Request);
            } // try
            catch (Exception ex)
            {
                System.Console.WriteLine(ex.Message);
                System.Console.Read();
                return;
            } // catch

            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, ListDelete_Result);
                    //serializeResult(reqfilename, ListDelete_Request);
                }
            }
            catch (IOException io_error)
            {
                MessageBox.Show("Error - " + io_error, "Error", MessageBoxButtons.OK);
            }
        }