106______________________________________________ 2

     Watch Properties.   -
 Expression         -
,  , , .  
Repeat count         -
  . ,       
X,       Expression   X.    -
      X.     
 Expression    [0],    Repeat count , -
, 10.         10 -
 .

  Digits     
   .  Enabled     
      . 
  .   ,   -
    -      , -
          .   Watch
Properties           -
 Enabled   .

 Allow Side Effects      -
,     . ,   -
   Expression  +-.   Allow Side Effects -
 (   ),         -
 ++i : "Side effects are not allowed." (  ).
,   ,    ,  -
  i   .       -
  Allow Side Effects,    ,  1
 i,  .  ,      -
 i.

     Watch Properties   
   .     Default. 
        -
.       . ,   -
  ,      
   ,       .

     Expression   -
  ,   ,    -
 .  ,        .
,      Forml->Labell->Caption, Forml->La-
bel2->Caption  Forml->Label3->Caption,       -
,             
.

  ,       
.  -       
    Delete.   
,     ,       Watch Pro-
perties    .

2.4.8.5     Evaluate/Modify

    Evaluate/Modify     -
   ,     .    -
   Run Evaluate/Modify.   Debug
Evaluate/Modify      ,  
      .