public CSharpNationManager()
        {
            InitializeComponent();

            windowManager = new WindowManager();

            ChangeWindows(windowManager.GetWaveWindow());

            VisualizerThread = new Thread(VisualizerProcess);
            Analyzer         = new SpectrumAnalyzer();

            DevicesCb.ItemsSource = Analyzer.GetDevices();

            if (DevicesCb.HasItems)
            {
                DevicesCb.SelectedIndex = 0;
            }
        }