private void BackgrounWorker_DoWork(object sender, DoWorkEventArgs e) { IUpdatetable applicationInfo = (IUpdatetable)e.Argument; if (!UpdateXml.ExistsOnServer(applicationInfo.UpdateXmlLocation)) { e.Cancel = true; UpdateMessageBox.Show(applicationInfo, "Проверка обновления", "Обновления отсутствуют", MessageBoxInfoType.Info); } else { e.Result = UpdateXml.Parse(applicationInfo.UpdateXmlLocation, applicationInfo.ApplicationID); } }