886_____________________________________________ 14

14.15.1.2 SendMessage  

           
,   ' 



LRESULT SendMessage(

HWND hWnd,     //  ,   

UINT Msg,      // 

WPARAM wparam, //   

LPARAM IParam //   
);



 hWnd   ,   . 
   HWND_BROADCAST,     
   ,  , ,  -
  ,    .

 Msg   .  wParam  1-
ram    .

 

,  ,    .



 SendMessage         -
    ,    ,  -
.   ,    .  -
, ,  ,     .
  SendMessage    PostMessage,  -
    .

,  hWnd = HWND_BROADCAST   
      -
    RegisterWindowMessage.

14.15.1.3 RegisterWindowMessage  

       
  ,      SendMessage  PostMes-
sage.



UINT RegisterWindowMessage(

LPCTSTR IpString          //   
);



IpString       ,  -
 .

 

   ,    -
      OxFFFF.    ,
   .