c#UTF8编码文件简体、繁体互转_c# utf-8转中文

该代码可将QQ国际版的繁体中文文件转换为简体中文文件（文件编码需UTF8）

Form1.cs --需引用Microsoft.VisualBasic.dll 

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Threading;
using Microsoft.VisualBasic;
 
namespace WindowsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        private void button1_Click(object sender, EventArgs e)
        {
            label2.Text = "";
            string path = textBox1.Text;
            if (Directory.Exists(path))
            {
                string newpath = path + "\\已翻译文件_" + (radioButton1.Checked ? "繁体" : "简体");
                if (!Directory.Exists(newpath)) Directory.CreateDirectory(newpath);
                button1.Enabled = false;
                new Thread(delegate()
                {
                    int failCount = 0;
                    string[] filenames = Directory.GetFiles(path);
                    //遍历指定文件夹的文件
                    for (int i = 0; i < filenames.Length; i++)
                    {
                        this.Invoke(new MethodInvoker(delegate() { label2.Text = "共" + filenames.Length + "个文件,正在翻译第" + (i + 1) + "个"; }));
                        try
                        {
                            //读取文件内容
                            string text = File.ReadAllText(filenames[i], Encoding.UTF8);
                            //繁体、简体互转
                            string newtext = Strings.StrConv(text, radioButton1.Checked ? VbStrConv.TraditionalChinese : VbStrConv.S