protected virtual void OnButtonViewGroupProfileClicked(object sender, System.EventArgs e)
        {
            Gtk.TreeModel mod;
            Gtk.TreeIter iter;

            if(treeview1.Selection.GetSelected(out mod,out iter))
            {
                UUID id=(UUID)mod.GetValue(iter,2);
                GroupInfo gi=new GroupInfo(id,false);

            }
        }
        protected virtual void OnButtonInfoClicked(object sender, System.EventArgs e)
        {
            Gtk.TreeModel mod;
            Gtk.TreeIter iter;

            if(treeview1.Selection.GetSelected(out mod,out iter))
            {
                Group group=(Group)mod.GetValue(iter,1);
                GroupInfo info=new GroupInfo(group.ID,true);
                info.Show();
            }
        }