private void btnQuery_Click(object sender, EventArgs e) { string retMsg = TsMasterApi.tsdb_get_can_db_info( Convert.ToUInt32(tbDBCQueryHandle.Text), cbbQueryType.SelectedIndex, Convert.ToInt32(tbSubIdx.Text), Convert.ToInt32(tbSubSubIdx.Text) ); if (retMsg != "") { tBQueryResult.Text += retMsg + "\r\n"; Log("Query success"); } else { Log("Database index invalid or parameter invalid"); } }