_parent->Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&ContentMenu::ov, this), ID_ov);
_parent->Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&ContentMenu::remove, this), ID_remove);
_parent->Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&ContentMenu::ov, this), ID_ov);
_parent->Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&ContentMenu::remove, this), ID_remove);