   ______________253

 ,         
,      ,    
  Left.   ,      -
     , ,  :

for (int i = 0; i < Panell->ControlCount; i++)

if (Panell->Controls[i]->InheritsFrom(_class id(TWinControl)))
((TWinControl *)Panell->Controls[i])->ScaleBy(11,10);

     ,    ScaleBy 
   ,    TWinControl.
     ,   
 TWinControl.       Inhe-
ritsFrom,  true,     , -
    .         -
  TWinControl,       
  _classid.

 ,     (  
TWinControl),      ScaleBy,    -
     TWinControl: (TWinControl *).

     . 
, , ,   .

   ,    , -
   1   1.6.6.2.

. 4.3     

         -
 ,       . -
    ,    
.

4.3.1  

4.3.1.1  

  C++Builder   ,   . 
:

                                            ___

,| OnClick               
.

OnDblClick        .

OnMouseDown     .  -

;                    .       ;

OnMouseMove     .  - !
      .

OnMouseUp          .
'.                    -
;               .

JOnStartDrag      .  - i
[                ,                        i