iSpyApplication.MainForm.AddMicrophone C# (CSharp) Method

        public int AddMicrophone(int audioSourceIndex)
        {
            VolumeLevel vl = NewVolumeLevel(audioSourceIndex);
            TopMost = false;
            var am = new AddMicrophone { VolumeLevel = vl, IsNew = true, MainClass = this };
            am.ShowDialog(this);

            int micid = -1;

            if (am.DialogResult == DialogResult.OK)
            {
                UnlockLayout();
                micid = am.VolumeLevel.Micobject.id = NextMicrophoneId;
                AddObject(vl.Micobject);
                SetNewStartPosition();
                NeedsSync = true;
            }
            else
            {
                vl.Disable();
                _pnlCameras.Controls.Remove(vl);
                vl.Dispose();
            }
            am.Dispose();
            TopMost = Conf.AlwaysOnTop;
            return micid;
        }