private void Release(CTPMDAdapter ctpReader)
{
ctpReader.OnFrontConnected -= ReaderOnFrontConnected;
ctpReader.OnFrontDisconnected -= ReaderOnFrontDisconnected;
ctpReader.OnRspUserLogin -= ReaderOnRspUserLogin;
ctpReader.OnRspUserLogout -= ReaderOnRspUserLogout;
ctpReader.OnRtnDepthMarketData -= ReaderOnRtnDepthMarketData;
ctpReader.OnRspError -= ReaderOnRspError;
ctpReader.Dispose();
}