public static extern int TdReqQryCreditSecurityPosition(IntPtr pApi, ThostFtdcQryCreditSecurityPositionField pQryCreditSecurityPosition, int nRequestID);
/// <summary>
///查询投资者融资融券可用证券头寸
/// </summary>
public int ReqQryCreditSecurityPosition(ThostFtdcQryCreditSecurityPositionField pQryCreditSecurityPosition, int nRequestID)
{
return(Interop.TdReqQryCreditSecurityPosition(Handle, pQryCreditSecurityPosition, nRequestID));
}