How make a green Background by a Choose Funktion

[Onieh]

Hallo,

How can i make a green Background by a Choose Funktion?



//-------------------------
//RECT_P(RGB(154,205,50)); //<-- Problem
//-------------------------

CHOOSE(N,"* F L U G N A V I G A T I O N*",{"ICAO-Kennung","Position","Flugstrecke","E N D E"});
IF N==1 THEN ICAO;
END;
//IF N==2 THEN Position;
//END;
IF N==3 THEN Flugstrecke;
END;
//END;
WAIT;
END;
//END;