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| using System;
using System.ComponentModel;
using System.Net;
using System.Threading;
using System.Windows.Forms;
namespace downloader
{
public partial class Form1 : Form
{
double octets_recus;
double octets_total;
double pourcentage;
WebClient myWebClient = new WebClient();
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)
{
myWebClient.DownloadFileAsync(new Uri(url), path);
button_download.Enabled = false;
button_download.Text = "En cours...";
button_annuler.Enabled = true;
textBox_path.Enabled = false;
textBox_lien.Enabled = false;
button_coller.Enabled = false;
button_path.Enabled = false;
myWebClient.DownloadProgressChanged += new DownloadProgressChangedEventHandler(myWebClient_DownloadProgressChanged);
myWebClient.DownloadFileCompleted += new AsyncCompletedEventHandler(myWebClient_DownloadFileCompleted);
}
private void myWebClient_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
{
progressBar1.Value = e.ProgressPercentage;
octets_recus = e.BytesReceived;
octets_total = e.TotalBytesToReceive;
octets_recus = octets_recus * 0.000000954;
octets_total = octets_total * 0.000000954;
pourcentage = e.ProgressPercentage;
double octets_recus_arrondi = Math.Round(octets_recus, 1);
double octets_total_arrondi = Math.Round(octets_total, 1);
label1.Text = "Données téléchargées: " + octets_recus_arrondi + " sur " + octets_total_arrondi + "MO | " + pourcentage + "%";
}
private void myWebClient_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e)
{
button_annuler.Enabled = false;
button_download.Enabled = true;
button_path.Enabled = true;
button_coller.Enabled = true;
textBox_path.Enabled = true;
textBox_lien.Enabled = true;
textBox_lien.Clear();
textBox_path.Clear();
progressBar1.Value = 0;
label1.Text = "";
button_download.Text = "Télécharger !";
if (!e.Cancelled)
{
MessageBox.Show("Téléchargement terminé !");
}
else MessageBox.Show("Téléchargement annulé !");
}
public void button_annuler_Click(object sender, EventArgs e)
{
var result = MessageBox.Show("Voulez-vous vraiment annuler le téléchargement ?", "",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
var result2 = MessageBox.Show("Voulez-vous supprimer le fichier partiellement téléchargé ?", "", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result2 == DialogResult.Yes) {
myWebClient.CancelAsync();
Thread.Sleep(2000);
System.IO.File.Delete(textBox_path.Text);
}
else myWebClient.CancelAsync();
}
}
private void Form1_Load(object sender, EventArgs e)
{
}
}
} |
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