public static extern int TdReqQrySecurityClass(IntPtr pApi, ThostFtdcQrySecurityClassField pQrySecurityClass, int nRequestID);
/// <summary>
///请求查询证券类别
/// </summary>
public int ReqQrySecurityClass(ThostFtdcQrySecurityClassField pQrySecurityClass, int nRequestID)
{
return(Interop.TdReqQrySecurityClass(Handle, pQrySecurityClass, nRequestID));
}
