www.pudn.com > Observerwangdxh.zip > Subject.h

// Subject.h : interface of the CSubject class 
// 
///////////////////////////////////////////////////////////////////////////// 
#ifndef _SUBJECT 
#define _SUBJECT 
 
#include "Observer.h" 
 
class CSubject 
{ 
	// Destructor 
	public : 
		virtual ~CSubject(); 
 
	// Methods 
	public : 
		virtual VOID Attach( CObserver * ); 
		virtual VOID Detach( CObserver * ); 
		virtual VOID Notify(); 
 
	// Protected constructor and attribute(s) 
	protected : 
		CSubject(); 
		CPtrList m_ObserverList; 
}; 
#endif