delegate parameters

using System;//ww w . j av  a2  s  . c o m
delegate void Printer(object t);

class Test
{
    static void consolePrinter(object str)
    {
        Console.WriteLine(str);
    }
    static void Main()
    {
        Printer p = consolePrinter;

        object obj = "java2s.com";
        p(obj);
    }
}

using System;//  w  ww. j  av a2s.co  m

delegate void FunctionToCall(ref int X);

class MainClass
{
   public static void Add2(ref int x) { 
       x += 2; 
   }
   
   public static void Add3(ref int x) { 
       x += 3; 
   }

   static void Main(string[] args)
   {
      FunctionToCall functionDelegate = Add2;
      functionDelegate += Add3;
      functionDelegate += Add2;

      int x = 5;
      functionDelegate(ref x);

      Console.WriteLine("Value: {0}", x);
   }
}