void OnMenuItemExportClick(object sender, EventArgs e) { var saveWindow = new SaveFileDialog { FileName = $"Personal Activity Monitor ({DateTime.Now.ToShortDateString()}).xml", Filter = "Xml file (.xml)|*.xml" }; //saveWindow.FileName = "pamResult.xml"; if (saveWindow.ShowDialog() != true) { return; } var exporter = new DataExporter(monitor.Data); exporter.SaveToXml(saveWindow.OpenFile()); }