TRUE/*expand*/, TRUE/*fill*/, 1/*padding*/);
gtk_box_pack_start(GTK_BOX(vbox), buttonbox,
FALSE/*expand*/, FALSE/*fill*/, 1/*padding*/);
TRUE/*expand*/, TRUE/*fill*/, 1/*padding*/);
gtk_box_pack_start(GTK_BOX(vbox), buttonbox,
FALSE/*expand*/, FALSE/*fill*/, 1/*padding*/);