/* * C# Program to Implement Delegates */ using System; using System.IO; delegate void delegatewriter(string message); class delgwriter { StreamWriter w; public delgwriter(string path) { w = File.CreateText(path); } public void display(string msg) { w.WriteLine(msg); } public void Flush() { w.Flush(); } public void Close() { w.Close(); } } class Test { static delegatewriter delgwri; static void display(string s) { Console.WriteLine(s); } static void Main(string[] arg) { delgwriter x = new delgwriter("log.txt"); delgwri += new delegatewriter(display); delgwri += new delegatewriter(x.display); delgwri("C"); delgwri("C++"); delgwri("Java"); x.Flush(); x.Close(); Console.Read(); } } /* C C++ Java