protected override void ctCopy_ItemClicked(object sender, ToolStripItemClickedEventArgs e) { RightMenu.Hide(); if (e.ClickedItem.Text == "导入数据") { OpenFileDialog ofd = new OpenFileDialog(); ofd.Filter = "*.xls|*.xls"; if (ofd.ShowDialog() == DialogResult.OK) { string FileName = ofd.FileName; MessageBoxHelper.Show(FileName); } } else { base.ctCopy_ItemClicked(sender, e); } }