File类：文件的删除和复制

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication17_1
{
    class Program
    {
        static void Main(string[] args)
        {
            string path = @"C:\Users\wusiyu\Documents\Visual Studio 2013\Projects\test.txt";
            string path2 = @"C:\Users\wusiyu\Documents\Visual Studio 2013\test.txt";
            try
            {
                File.Delete(path2);
                File.Copy(path, path2);
                Console.WriteLine("{0}复制到{1}", path, path2);
            }
            catch(Exception e)
            {
                Console.WriteLine("复制失败");
                Console.WriteLine(e.ToString());
            }
            Console.ReadLine();
        }
    }
}