C#实现Base64的编码与解码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace Base64_V1
{
public partial class Base64 : Form
{
public Base64()
{
InitializeComponent();
}

private void btn_Base64_Encode_Click(object sender, EventArgs e)
{
byte[] inArray = System.Text.Encoding.UTF8.GetBytes(txt_Base64_SRC.Text);
txt_Base64_DST.Text = Convert.ToBase64String(inArray);
}

private void btn_Base64_Decode_Click(object sender, EventArgs e)
{
byte[] inArray = Convert.FromBase64String(txt_Base64_SRC.Text);
txt_Base64_DST.Text = System.Text.Encoding.UTF8.GetString(inArray);
}
}
}