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| using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace downloader
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
textBox_path.Enabled = false;
button_path.Enabled = false;
button_annuler.Enabled = false;
}
private void button1_Click(object sender, EventArgs e)
{
string lien_clipboard = Clipboard.GetText();
textBox_lien.Text = lien_clipboard;
}
private void button2_Click(object sender, EventArgs e)
{
if (textBox_lien.Text.Length != 0 && textBox_path.Text.Length != 0)
{
download_launch(textBox_lien.Text, textBox_path.Text);
}
else if (textBox_lien.Text.Length == 0 || textBox_path.Text.Length == 0)
{
MessageBox.Show("Un champ est vide !");
}
else
{
MessageBox.Show("Une erreur est survenue.");
}
}
private void button1_Click_1(object sender, EventArgs e)
{
string path;
folderBrowserDialog1.ShowDialog();
path = folderBrowserDialog1.SelectedPath;
string url = textBox_lien.Text;
if (Uri.IsWellFormedUriString(url, UriKind.Absolute))
{
string nomAvecExtension = url.Substring(url.LastIndexOf('/'));
path = path + nomAvecExtension;
string path_new = path.Replace("/", "\\");
Console.WriteLine("path =" + path + " url=" + url + " nomAvecExtension=" + nomAvecExtension);
textBox_path.Text = path_new;
}
else MessageBox.Show("Mauvaise URL !");
}
private void textBox_lien_TextChanged(object sender, EventArgs e)
{
if (textBox_lien.Text.Length != 0)
{
textBox_path.Enabled = true;
button_path.Enabled = true;
}
else
{
textBox_path.Enabled = false;
button_path.Enabled = false;
}
}
public void download_launch(string url, string path)
{
try
{
if (System.IO.File.Exists(path))
{
var result = MessageBox.Show("Le fichier que vous avez sélectionné existe déjà, il sera supprimer. Voulez-vous continuer ?", "ok",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
download(url, path);
}
}
else download(url, path);
}
catch
{
MessageBox.Show("L'adresse que vous avez entré est introuvable ou innaccessible.");
}
}
public void download(string url, string path)
{
WebClient myWebClient = new WebClient();
myWebClient.DownloadFileAsync(new Uri(url), path);
button_download.Enabled = false;
button_download.Text = "En cours...";
myWebClient.DownloadProgressChanged += new DownloadProgressChangedEventHandler(myWebClient_DownloadProgressChanged);
myWebClient.DownloadFileCompleted += new AsyncCompletedEventHandler(myWebClient_DownloadFileCompleted);
}
private void myWebClient_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
{
progressBar1.Value = e.ProgressPercentage;
}
private void myWebClient_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
{
MessageBox.Show("Téléchargement terminé !");
button_annuler.Enabled = false;
button_download.Enabled = true;
textBox_lien.Clear();
textBox_path.Clear();
progressBar1.Value = 0;
button_download.Text = "Télécharger !";
}
public void button_annuler_Click(object sender, EventArgs e)
{
}
}
} |
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