private void btnExit_Click(object sender, EventArgs e) { if (bDirtyProfile) { if (MessageBox.Show("当前车辆配置未保存\n\n仍然想要退出吗?", "警告", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button2) == DialogResult.Yes) { base.Close(); } } else { base.Close(); } m_obdInterface.SaveActiveProfile((VehicleProfile)comboProfile.SelectedItem); }