FSClient.ConferenceUser.SetAudioLevel C# (CSharp) Method

        public void SetAudioLevel(int level, bool conference_level = false)
        {
            if (level > 4 || level < -4)
                return;
            String direction = conference_level ? "volume_out" : "volume_in";
            Conference.ConferenceAction(direction + " " + id + " " + level);
            if (conference_level)
                conference_volume = level;
            else
                their_volume = level;
        }

        private MenuItem UserMenu(ConferenceUser user)
        {
            MenuItem main = new MenuItem();
            MenuItem item;

            main.Header = user.party_name + " " + ConfStateConverter.StateConvert(user.state);
            item        = new MenuItem()
            {
                Header = "Min Energy Level"
            };
            for (int x = 0; x <= 1500; x += 150)
            {
                int    val = x;
                String add = val == user.min_energy_level ? "*" : "";
                item.Items.Add(CreateMenuItem("Level " + val + add, () => user.SetEnergyLevel(val)));
            }
            main.Items.Add(item);

            item = new MenuItem()
            {
                Header = "Their Volume Level"
            };
            for (int x = -4; x <= 4; x++)
            {
                int    val = x;
                String add = val == user.their_volume ? "*" : "";
                item.Items.Add(CreateMenuItem("Level " + x + add, () => user.SetAudioLevel(val)));
            }
            main.Items.Add(item);

            item = new MenuItem()
            {
                Header = "Conference Volume Level"
            };
            for (int x = -4; x <= 4; x++)
            {
                int    val = x;
                String add = val == user.conference_volume ? "*" : "";
                item.Items.Add(CreateMenuItem("Level " + x + add, () => user.SetAudioLevel(val, true)));
            }
            main.Items.Add(item);
            if (user.StateIs(ConferenceUser.USER_STATE.MUTE))
            {
                main.Items.Add(CreateMenuItem("UnMute", () => user.Mute(true)));
            }
            else
            {
                main.Items.Add(CreateMenuItem("Mute", () => user.Mute()));
            }

            if (user.StateIs(ConferenceUser.USER_STATE.DEAF))
            {
                main.Items.Add(CreateMenuItem("UnDeaf", () => user.Deaf(true)));
            }
            else
            {
                main.Items.Add(CreateMenuItem("Deaf", () => user.Deaf()));
            }
            if (!user.is_us)
            {
                main.Items.Add(CreateMenuItem("Split Out", user.Split));
            }
            main.Items.Add(CreateMenuItem("Drop From Conference", user.Drop));
            return(main);
        }