08-网络操作/普通下载/DFile/Form1.cs

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

namespace DFile
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string uri = textBox1.Text;
            string LocalFileName = "local.gif";
            System.Net.WebClient client = new System.Net.WebClient();
            client.DownloadFile(uri,LocalFileName);
            this.pictureBox1.Image = Image.FromFile(LocalFileName);
        }
    }
}