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

        private void addToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (listBox_GemUpgrading_UnusedGems.SelectedIndex>=0)
            {
                string SelectedItemString = (string)listBox_GemUpgrading_UnusedGems.Items[listBox_GemUpgrading_UnusedGems.SelectedIndex];
                var enumValue = (LegendaryGemTypes)Enum.Parse(typeof(LegendaryGemTypes), SelectedItemString);
                listBox_GemUpgrading_UnusedGems.Items.RemoveAt(listBox_GemUpgrading_UnusedGems.SelectedIndex);
                listBox_GemUpgrading_PriorityList.Items.Add(SelectedItemString);
                FunkyBaseExtension.Settings.AdventureMode.GemUpgradePriorityList.Add(enumValue);
            }
        }