oh, I think I already did ... :(( I tried (global variables): CakRadioBox *prb = NULL; CakRadioBox & rb; well ... it doesn't work, it require initialization I changed it to: CakRadioBox *prb = NULL; CakRadioBox & rb = *prb; so far so good, but when in Init() I wrire: prb = new CakRadioBox(10, 134, 44, 24); rb = *prb I receive exception :rolleyes: