   C++,  C++Builder, API Windows________________913

    ,       -
,       Handle. , 

CloseWindow(Handle) ;

  .

       -
.     .   
       GetLastError.

 GetLastError      
.            -
.

 GetLastError      ,
    .    ,   
     SetLastError(O),   
.

  API Win32     
 ,        -
 .     ,  FALSE, NULL,
OxFFFFFFFF  -1.

   32- .    31.  29 -
  ,  .      
.  ,   ,     -
.        
.

       ,  
FormatMessage.        
WINNT.H  Win32 SDK.

 EnableWindow      
        .  
,      ,  
     .   ,   
  ,   ,     .

 FindWindow     ,  
  ;     .

 IpClassName       ,
  ,   ,     
.    ,      , 
   GlobalAddAtom. ATOM  16- -
,        IpClassName, a
    .

 IpWindowName       -
,    (  Caption ,   
 ).     NULL,  ,   
     .

 . 

SendMessage(FindWindow("TFormI"," Pmess2"), WM_CLOSE,0,0) ;

  FindWindow     
TFormI    Pmess2,     ,
   Windows WM_CLOSE,   .

   ,   FindWindow  
,       .    -