我没有收到错误,但扩展名没有更改。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
string filename;
string[] filePaths = Directory.GetFiles(@"c:\Users\Desktop\test\");
Console.WriteLine("Directory consists of " + filePaths.Length + " files.");
foreach(string myfile in filePaths)
filename = Path.ChangeExtension(myfile, ".txt");
Console.ReadLine();
}
}
}