private void BtnSync_Click(object sender, RibbonControlEventArgs e) { var jiraUrl = Properties.Settings.Default.JiraUrl; var user = Properties.Settings.Default.User; var password = Properties.Settings.Default.Password; if (string.IsNullOrEmpty(jiraUrl) || string.IsNullOrEmpty(user) || string.IsNullOrEmpty(password)) { MessageBox.Show("Please check your settings. JIRA URL, user and password are required."); return; } IJiraIntegrationService jiraIntegrationService = new JiraIntegrationService(jiraUrl, user, password); jiraIntegrationService.SyncProject(); }