private void 锁定ToolStripMenuItem_Click(object sender, EventArgs e) { F_Lock F_ER = new F_Lock(); F_ER.Text = "锁定"; if (F_ER.ShowDialog() == DialogResult.OK) { MessageBox.Show("解锁成功!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);//行数为零警告 } }