摘要：
#pragma once
#include #include using namespace std; #define delegate(t, f) std::bind(f, t, std::tr1::placeholders::_1, std::tr1::placeholders::_2); class event
{
private: typedef function<void(void*, void*)> Handler; static int id; map<int, Handler> list; public: int operator +=(Handler 阅读全文