    C++___________________________643

Labell->Caption = grade > 3 ? "   " : "";

     grade      -
   grade,  3,      -
 grade.

        ,  
 if...else (.  11.8.1.1).      
     if...else.     
     ,   
if...else  .

        .
       (, -
, , ),       
 .       -
 -  .

11.7.9  sizeof

 sizeof        ,
, .     size_t (unsigned).
   :

sizeof 
sizeof ( )

:

sizeof *Labell;

sizeof(TLabel) ;

sizeof a;

sizeof (int);

     ,     
(*Label),  (TLabel, int),  ().

 ,   , ,     -
        . -
   ,        ,  -
  ,     sizeof.

   ,  sizeof   
,     ,   . 
  ,    ,  
  (..         -
).        sizeof array/
sizeof array[0].

   ,      -
,     .    sizeof 
.

  sizeof     ,  -
   ,     .

11.7.10  typeid

 typeid     type_info, 
  .    :

typeid(  )
typeid(  )

2