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  Clipboard  Clear     Clipbo-
ard. ,         -
  (       Cut 
Copy).

ClientTo Screen

      
 TControl



struct TPoint
(

int x;

int ;

};

Windows::TPoint   fastcall ClientToScreen(

const Windows::TPoint sPoint);



 ClientToScreen      
   (      -
 )     (    
 ).

    ScreenToCIient   
         
        .



 = Comp2->ScreenToClient(Compl->ClientToScreen());

         -
 Compi     2.

ContainsControl

,        -
   

 TWinControl



bool _fastcall ContainsControl(TControl* Control);



 ContainsControl  ,   , -
  Control,    .  -
 true  ,    Controls  Control   -
   ,        
 -      .

ControIAtPos

,       