private void toolStripMenuItem1_Click(object sender, EventArgs e) { SaveFileDialog saveDialog = new SaveFileDialog(); saveDialog.Filter = "XML Files|*.xml"; saveDialog.FileName = "Sessions.XML"; saveDialog.InitialDirectory = Application.StartupPath; if (saveDialog.ShowDialog() == DialogResult.OK) { SessionTreeview.ExportSessionsToXml(saveDialog.FileName); } }