RADIOBOX [<orient:H,V>] TO <mvar> [MESSAGE <message>] ;
         [TITLE <title>] [WITH <nobuttons> BUTTONS] ;
         [CHOICES <choices>] [START <start>] ;
         AT [<top>], [<left>], [<bottom>], [<right>] ;
         [SHADOW <shadow>] [FRAME <frame>] [EXITKEY <exitkey>] ;
         [ACTIONKEYS <actionkeys>]
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Purpose: A command replacement for twRadioBox()

Example: LOCAL avar
         LOCAL AText1 := "One function is used in TSDWIN " + ;
                         "to create various types of " + ;
                         "alert boxes: PushButton Boxes, " + ;
                         "Radio Boxes and Select Boxes. "

         RADIOBOX h TO avar MESSAGE AText1 TITLE "Radio Trial" ;
              WITH 3 BUTTONS START 2 AT ,,, FRAME 10