private void pluginsTreeView_RowActivated(object sender, RowActivatedArgs args)
{
TreeIter iter;
if (pluginsListStore.GetIter (out iter, args.Path) == true) {
PluginInfo pluginInfo = (PluginInfo) pluginsListStore.GetValue (iter, 0);
IPluginConfigDialog configDialog = pluginInfo.CreateConfigDialog ();
configDialog.Show (dialog);
}
}