// ------------------------------------------------------------------------------------------------------
        private void _addChannelWrapper(ChannelConfiguration cfg)
        {
            ChannelWrapper wrapper = new ChannelWrapper(cfg.buffer);
            mChannelWrappers.Add(wrapper);
            EEGChannelGraph graph = new EEGChannelGraph();
            mGraphConfigs[wrapper] = cfg;
            mGraphs[wrapper] = graph;

            Controls.Add(graph);
        }
 // ------------------------------------------------------------------------------------------------------
 public void setColorScheme(EEGChannelGraph.ColorScheme cs)
 {
     foreach (KeyValuePair<ChannelWrapper, EEGChannelGraph> pair in mGraphs)
     {
         pair.Value.setColorScheme(cs);
     }
 }