/Q// 
콺 ̹ Դ  ˾Ƴ  ? 
( MOUSEENTER MOUSELEAVE  ϴ ...) 



/A// 
 CM_MOUSELEAVE CM_MOUSEENTER ޽ ó ̿ϴ Ϳ  
 ޽̶  ̻ϰ ̴  ؼ մϴ.  ޽ 
 , ǻ ޽ óϴ Լ Dispatch() ̵ϴ  
Ǿִµ,  ̽ Ŭ Dispatch() Լ ȣϴ°. ܼ 
ũη Ǿִ°̴ϴ. 
ü Ǹ ˰ ø sysdefs.h ȭ ø ˴ϴ. 

̳ Ϸ, 

BEGIN_MESSAGE_MAP 
     VCL_MESSAGE_HANDLER((ó ޽), (޽ü), (ó Լ)); 
END_MESSAGE_MAP(̽Ŭ Ÿ̸); 

̷ ֽø ˴ϴ. ġ ó Ʈ Ŭ α. 
, (ó Լ)  /ǵǾ ־ մϴ. ̶,  Լ  
ƾ մϴ. 

MESSAGE void (Լ̸)((޽ü) &msg); 

  msg ׳ ̸̴  ŵ .    
̿Ͱ ̷ ,  CM_MOUSELEAVE  CM_MOUSEENTER ڵ鷯  
   ϸ ˴ϴ. 
Ŭ  ο, 

class TForm1 : public TForm 
{ 
     .... 
     MESSAGE void OnMouseEnter(TMessage &msg); 
     MESSAGE void OnMouseLeave(TMessage &msg); 

BEGIN_MESSAGE_MAP 
     VCL_MESSAGE_HANDLER(CM_MOUSEENTER, TMessage, OnMouseEnter); 
     VCL_MESSAGE_HANDLER(CM_MOUSELEAVE, TMessage, OnMouseLeave); 
END_MESSAGE_MAP(TForm); 
}; 

̷ ֽð, Ʈ OnMouseEnter() OnMouseLeave()Լ ָ 
˴ϴ. 
ۼϽô Ŭ ο ̿Ͱ ֽñ,  ޽  ִ 
END_MESSAGE_MAP(TForm);  TForm ۼϽô Ʈ ̽Ŭ Ÿ̸ 
̾ ϰ. 

޽ VCL  ʴ  ϱ    پ 
ϰ Դϴ. , ĸǹٰ ƴ  Ŭ̾Ʈ(׳ κ) 巡 
  ̵ Ҷ WM_NCHITTEST ޽ ä óմϴ.  ٸ 
 ε 밡. 
