AMPSExcel.AMPSRibbon.button1_Click C# (CSharp) Method

        private void button1_Click(object sender, RibbonControlEventArgs e)
        {
            //var topicStore = Globals.AMPSAddin.GetTopicStoreForActiveWorkbook();
            Excel.Range activeCell = Globals.AMPSAddin.Application.ActiveWindow.ActiveCell;

            try
            {
                Excel.Workbook activeWorkbook = Globals.AMPSAddin.Application.ActiveWorkbook;
                var form = new SubscriptionForm(activeWorkbook);
                form.WorksheetRange = Globals.AMPSAddin.Application.ActiveWindow.ActiveSheet.Name+"!"+ activeCell.Address;

                if (form.ShowDialog() == DialogResult.OK)
                {
                    AMPSAddin.ServerDefinition serverDef = Globals.AMPSAddin.getWorkbookInfo(activeWorkbook).Servers[form.ServerName];
                    Client c = new Client(Guid.NewGuid().ToString());
                    c.connect(serverDef.URL);
                    c.logon();
                    string[] worksheetNames = form.WorksheetRange.Split('!');
                    AMPSAddin.SubscriptionDefinition def = new AMPSAddin.SubscriptionDefinition
                    {
                        Name = form.SubscriptionName,
                        ServerName = form.ServerName,
                        Topic = form.Topic,
                        WorksheetRange = form.WorksheetRange,
                        Filter = form.Filter
                    };

                    Globals.AMPSAddin.getWorkbookInfo(activeWorkbook).createOrUpdate(def);

                    ActiveSub.activate(def, c, serverDef.MessageType, Globals.AMPSAddin.Application.ActiveWorkbook);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }