private void OnModuleNamesToggle(object sender, EventArgs args)
 {
     _ctxModules.Checked    = !_ctxModules.Checked;
     r_nodeview.ModuleNames = _ctxModules.Checked;
     r_nodeview.Refresh();
 }
 public void Refresh(Exception ex)
 {
     r_nodeview.Refresh(ex);
 }