private void ItemExportButtonClick(object sender, EventArgs e) { ToolStripMenuItem itemButton = (ToolStripMenuItem)sender; TransformData td = (TransformData)itemButton.Tag; this.saveFileDialog.Filter = td.FilterString; this.saveFileDialog.DefaultExt = td.ShortExtension; if (this.saveFileDialog.ShowDialog() == DialogResult.OK) { td.Execute(this.saveFileDialog.FileName); } }