void ImportExportRDPFile_Button_Click(object sender, EventArgs e) { if (sender == toolbar_ImportRDP || sender == m_File_ImportRDP) { ImportWindow iw = new ImportWindow(); iw.ShowDialog(); GetServerLists(); } else if (sender == toolbar_ExportRDP || sender == m_File_ExportRDP) { ExportWindow ew = new ExportWindow(ref this.lvServerLists); ew.ShowDialog(); } }