Dropdown Handler

public abstract class DropdownHandler : ButtonHandler {
    public override bool IsTriggerable => false;
    protected void SetOptions(Dictionary<string, string[]> options);
    protected void SetValue(string value, bool notify = true);
    protected virtual void OnValueChanged(string value);
    protected abstract IModalBuilder GetModalBuilder(IMenu menu);
}

public class QualityDropdown : DropdownHandler {
    public QualityDropdown() {
        SetLabel("settings.entry.graphic.quality.preset.label");
        SetOptions(new Dictionary<string, string[]> {
            { "low",    new[] { "settings.entry.graphic.quality.option.low" } },
            { "medium", new[] { "settings.entry.graphic.quality.option.medium" } },
            { "high",   new[] { "settings.entry.graphic.quality.option.high" } }
        });
        SetValue(Config.Load().Get(new[] { "settings", "graphic", "quality" }, "high"), notify: false);
    }

    public override string[] GetPath()
        => new[] { "graphic", "quality", "preset" };

    protected override GameObject GetPrefab()
        => Main.CoreAPI.AssetAPI.GetAsset<GameObject>("settings:prefabs/dropdown.prefab");

    protected override IModalBuilder GetModalBuilder(IMenu menu)
        => menu.CreateModalBuilder();

    protected override void OnValueChanged(string value)
        => Config.Load().Set(new[] { "settings", "graphic", "quality" }, value).Save();
}

var options = new Dictionary<string, string[]>();
foreach (var device in Microphone.devices)
    options[device] = new[] { "value", device };
SetOptions(options);