   C++Builder____________________    179

,   RadioGroup      . 3.21
 Items  :





 1

 2

 3

 4

,       Items,  -
    (  17),   Columns.  
Columns = 1, ..     .

,     ,    Item-
Index,     . ,   
C++Builder,   0.   Itemlndex = -1,   -
  .   ,      -
 -     (   ),
     Itemlndex   -
.       ,    ,
  Itemlndex      -
.

 RadioGroup  ,      -
.   ,      
        (    
) . , , . 3.21   3.3.1. 
        .   -
        :  
  ,   .    ,  
          -
. A RadioGroup       -
 .      ,     , -
,  5.

      . 
   RadioButton,   Group-
Box.  GroupBox     ,  RadioGroup,    
      Caption.    
 .         -
,  ,   RadioButton.   Radio-
Button    ,     , -
   .  -   -
    CheckBox.    ,  
     .      -
,   GroupBox.

   RadioButton.  Caption 
,   .   Alignment ,
      : taLeftJustify  , taRightJus-
tify   (    ).  Checked ,
   ,  .    
  ,         -
,   Checked    true   . 
 ,  ,     true  Chec-
ked      .

  RadioButton   GroupBox,    
. 3.21  3.3.1,        Radio-
Group      .