Forex_Strategy_Builder.Instrument_Editor.SetAcountExchangeRate C# (CSharp) Метод

        void SetAcountExchangeRate()
        {
            if (tbxPropPriceIn.Text == tbxPropAccountIn.Text)
            {
                tbxPropAccountRate.Text  = Language.T("Not used");
                nudPropAccountRate.Value = 1;
                nudPropAccountRate.Enabled = false;
                if (tbxPropAccountIn.Text == "USD")
                    instrPropSelectedInstrument.RateToUSD = 1;
                else if (tbxPropAccountIn.Text == "EUR")
                    instrPropSelectedInstrument.RateToEUR = 1;
            }
            else if (tbxPropType.Text == "Forex" && tbxPropSymbol.Text.StartsWith(tbxPropAccountIn.Text))
            {
                tbxPropAccountRate.Text  = Language.T("Deal price");
                nudPropAccountRate.Value = 0;
                nudPropAccountRate.Enabled = false;
                if (tbxPropAccountIn.Text == "USD")
                    instrPropSelectedInstrument.RateToUSD = 0;
                else if (tbxPropAccountIn.Text == "EUR")
                    instrPropSelectedInstrument.RateToEUR = 0;
            }
            else
            {
                tbxPropAccountRate.Text = tbxPropAccountIn.Text + tbxPropPriceIn.Text;
                if (tbxPropAccountIn.Text == "USD")
                    nudPropAccountRate.Value = (decimal)instrPropSelectedInstrument.RateToUSD;
                else if (tbxPropAccountIn.Text == "EUR")
                    nudPropAccountRate.Value = (decimal)instrPropSelectedInstrument.RateToEUR;
                nudPropAccountRate.Enabled = true;
                nudPropAccountRate.ForeColor = Color.Red;
            }

            return;
        }