private void MainFormLoad(object sender, EventArgs e)
        {
            PluginHost pluginHost = new PluginHost();

            _handlers = pluginHost.Handlers;
            AvailableHandlersTreeView.Nodes.AddRange(TreeNodeMapper.MapHandlers(_handlers));
            AvailableHandlersTreeView.SelectedNode = AvailableHandlersTreeView.Nodes[0];

            _knownTypes = pluginHost.KnownTypes;

            _config = new TransportAgentConfig();

            ConfigurationTreeView.Nodes.Add(TreeNodeMapper.MapTransportAgentConfig(_config));
        }