统计获利金额的代码，求金币！

double GetTotalProfit()
{
    double TotalProfit=0;
    for (int j= OrdersTotal() - 1; j >= 0; j--)
    {
        OrderSelect(j,SELECT_BY_POS, MODE_TRADES);
        if (OrderType() == OP_BUY || OrderType() == OP_SELL && OrderMagicNumber() == MagicNumber)
            TotalProfit += OrderProfit();
    }
    return (TotalProfit);
}