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#include "stdafx.h" #include <set> #include "time.h" template <class T> class CCallback { public: typedef void (T::*fn)( int anArg ); CCallback(T& trg, fn op) : m_rTarget(trg) , m_Operation(op) { } void Execute( int in ) { (m_rTarget.*m_Operation)( in ); } private: CCallback(); CCallback( const CCallback& ); T& m_rTarget; fn m_Operation; }; class A { public: virtual void Fn( int i ) { printf("-----%d\r\n",i); int d = 0; } }; int main( int /*argc*/, char * /*argv*/ ) { A a; CCallback<A> cbk( a, &A::Fn ); cbk.Execute( 3 ); int d = 0; }