ExpressionTree.cs

using System;
using System.Collections;
using System.Linq.Expressions;
using System.Reflection;

namespace ConsoleApplication1
{
    class Program
    {
        public static object call(object[] args)
        {
            Console.WriteLine("call");
            return 0;
        }

        static void Main(string[] args)
        {            
            NewArrayExpression expr_arr = Expression.NewArrayInit(
                typeof(object)
                );

            MethodCallExpression call_expr = Expression.Call(typeof(Program).GetMethod("call"), expr_arr);            

            var f_expr = Expression.Lambda<Action>(call_expr);
            Action f = f_expr.Compile();
            f();
            Console.ReadKey();
        }
    }
}