Forex_Strategy_Builder.Dialogs.Generator.Generator.ChangePermanentSL C# (CSharp) Method

        void ChangePermanentSL(BackgroundWorker worker)
        {
            int repeats = 0;
            bool isDoAgain;
            do
            {
                if (worker.CancellationPending) break;
                if (chbPreservPermSL.Checked || strategyBest.PropertiesStatus == StrategySlotStatus.Locked)
                    break;

                int oldPermSL = Data.Strategy.PermanentSL;
                Data.Strategy.UsePermanentSL = true;
                int multiplier = Data.InstrProperties.IsFiveDigits ? 50 : 5;
                Data.Strategy.PermanentSL = multiplier * random.Next(5, 100);

                repeats++;
                isDoAgain = repeats < 5;
                isDoAgain = CalculateTheResult(false);
                if (!isDoAgain)
                    Data.Strategy.PermanentSL = oldPermSL;
            } while (isDoAgain);
        }