shout.cpp

来自「Vc.Net入门与提高源码」· C++ 代码 · 共 27 行

#using <mscorlib.dll>
using namespace System;
__delegate void Shout(String *message);
// 定义一个实现Shout方法的类
__gc class Speaker {
public:
void Shout(String *pMessage) {
      Console::Write(S"[");
      Console::Write(pMessage);
      Console::WriteLine(S"]");
   };
   static void GlobalShout(String *pMessage) {
      Console::Write(S"{");
      Console::Write(pMessage);
      Console::WriteLine(S"}");
   }
};
int main() {
   Speaker * pSpk = new Speaker();
   // 合法的代理实例化s
   Shout * pShout1 = new Shout(pSpk, &Speaker::Shout);
   Shout * pShout2 = new Shout(0, &Speaker::GlobalShout);
   // 触发调用s
   pShout1->Invoke(S"Delegates");
   pShout2->Invoke(S"are cool.");
}