/// <summary>
///请求查询投资者品种/跨品种保证金
/// </summary>
public int ReqQryInvestorProductGroupMargin(ThostFtdcQryInvestorProductGroupMarginField pQryInvestorProductGroupMargin, int nRequestID)
{
return(Interop.TdReqQryInvestorProductGroupMargin(Handle, pQryInvestorProductGroupMargin, nRequestID));
}
public static extern int TdReqQryInvestorProductGroupMargin(IntPtr pApi, ThostFtdcQryInvestorProductGroupMarginField pQryInvestorProductGroupMargin, int nRequestID);
