Look into C# Samples(Delegate) (2)
...(usingとnamespace略) delegate void Sample(string msg); class Program { static void TEST(string msg) { Console.WriteLine(msg); } static void Main(string[] args) { Sample ex1 = new Sample(TEST); TEST("hi"); //C#2.0 暗黙型変換可能 Sample ex2 = TEST; TEST("hihi"); Console.ReadLine(); } ...