class help_button : public button {\fbox{help_button}
public: help_button(widget* w) : button(w,"help") { text("help"); handler(this); pack("-side right"); } int operator()() { widget* t = new toplevel("help"); hypertext* h = new hypertext(t,"page"); h->file("help.ht"); h->geometry(310,250); h->pack(); return OK; } };