fBaseXtensions.Settings.SettingsForm.cb_GemUpgrading_SuccessRate_CheckedChanged C# (CSharp) Method

        private void cb_GemUpgrading_SuccessRate_CheckedChanged(object sender, EventArgs e)
        {
            //0 == 100%
            //90,80,70,60,30,15,8,4,2,1
            int selectedIndex=comboBox_GemUpgrading_SuccessRate.SelectedIndex;
            switch (selectedIndex)
            {
                case 0:
                    FunkyBaseExtension.Settings.AdventureMode.GemUpgradingMinimumSuccessRate = 1;
                    break;
                case 1:
                    FunkyBaseExtension.Settings.AdventureMode.GemUpgradingMinimumSuccessRate = 0.9;
                    break;
                case 2:
                    FunkyBaseExtension.Settings.AdventureMode.GemUpgradingMinimumSuccessRate = 0.8;
                    break;
                case 3:
                    FunkyBaseExtension.Settings.AdventureMode.GemUpgradingMinimumSuccessRate = 0.7;
                    break;
                case 4:
                    FunkyBaseExtension.Settings.AdventureMode.GemUpgradingMinimumSuccessRate = 0.6;
                    break;
                case 5:
                    FunkyBaseExtension.Settings.AdventureMode.GemUpgradingMinimumSuccessRate = 0.3;
                    break;
                case 6:
                    FunkyBaseExtension.Settings.AdventureMode.GemUpgradingMinimumSuccessRate = 0.15;
                    break;
                case 7:
                    FunkyBaseExtension.Settings.AdventureMode.GemUpgradingMinimumSuccessRate = 0.08;
                    break;
                case 8:
                    FunkyBaseExtension.Settings.AdventureMode.GemUpgradingMinimumSuccessRate = 0.04;
                    break;
                case 9:
                    FunkyBaseExtension.Settings.AdventureMode.GemUpgradingMinimumSuccessRate = 0.02;
                    break;
                case 10:
                    FunkyBaseExtension.Settings.AdventureMode.GemUpgradingMinimumSuccessRate = 0.01;
                    break;
            }
        }