Telecharger des fichiers, par le protocole http

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Description

bonjour, voila un pt outil pour telecharger des fichiers a partir d'un serveur..

Source / Exemple : 


using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Net;

namespace Download
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label urlL;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox url;
		private System.Windows.Forms.SaveFileDialog saveFile;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.TextBox fileLocation;
		private System.Windows.Forms.Button download;
		private System.Windows.Forms.TextBox FileName;
		private System.Windows.Forms.Button btnExit;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.download = new System.Windows.Forms.Button();
			this.urlL = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.url = new System.Windows.Forms.TextBox();
			this.saveFile = new System.Windows.Forms.SaveFileDialog();
			this.FileName = new System.Windows.Forms.TextBox();
			this.button2 = new System.Windows.Forms.Button();
			this.label1 = new System.Windows.Forms.Label();
			this.fileLocation = new System.Windows.Forms.TextBox();
			this.btnExit = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// download
			// 
			this.download.Enabled = false;
			this.download.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.download.Location = new System.Drawing.Point(144, 112);
			this.download.Name = "download";
			this.download.Size = new System.Drawing.Size(152, 23);
			this.download.TabIndex = 0;
			this.download.Text = "Download File !!";
			this.download.Click += new System.EventHandler(this.download_Click);
			// 
			// urlL
			// 
			this.urlL.Font = new System.Drawing.Font("Arial", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.urlL.Location = new System.Drawing.Point(8, 10);
			this.urlL.Name = "urlL";
			this.urlL.Size = new System.Drawing.Size(40, 16);
			this.urlL.TabIndex = 1;
			this.urlL.Text = "URL :";
			// 
			// label2
			// 
			this.label2.Font = new System.Drawing.Font("Arial", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.label2.Location = new System.Drawing.Point(8, 48);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(72, 16);
			this.label2.TabIndex = 2;
			this.label2.Text = "File Name :";
			// 
			// url
			// 
			this.url.Location = new System.Drawing.Point(72, 8);
			this.url.Name = "url";
			this.url.Size = new System.Drawing.Size(328, 20);
			this.url.TabIndex = 3;
			this.url.Text = "http://";
			// 
			// saveFile
			// 
			this.saveFile.FileName = "crack_xp";
			this.saveFile.Filter = "All Files | *.*";
			// 
			// FileName
			// 
			this.FileName.Location = new System.Drawing.Point(72, 46);
			this.FileName.Name = "FileName";
			this.FileName.Size = new System.Drawing.Size(184, 20);
			this.FileName.TabIndex = 4;
			this.FileName.Text = "(The Name Of the file to download it!)";
			// 
			// button2
			// 
			this.button2.Font = new System.Drawing.Font("Arial", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.button2.Location = new System.Drawing.Point(328, 80);
			this.button2.Name = "button2";
			this.button2.TabIndex = 5;
			this.button2.Text = "Browse";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// label1
			// 
			this.label1.Font = new System.Drawing.Font("Arial", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.label1.Location = new System.Drawing.Point(8, 83);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(56, 16);
			this.label1.TabIndex = 6;
			this.label1.Text = "Save As :";
			// 
			// fileLocation
			// 
			this.fileLocation.Location = new System.Drawing.Point(72, 81);
			this.fileLocation.Name = "fileLocation";
			this.fileLocation.Size = new System.Drawing.Size(248, 20);
			this.fileLocation.TabIndex = 8;
			this.fileLocation.Text = "";
			// 
			// btnExit
			// 
			this.btnExit.Font = new System.Drawing.Font("Arial", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.btnExit.Location = new System.Drawing.Point(328, 112);
			this.btnExit.Name = "btnExit";
			this.btnExit.TabIndex = 9;
			this.btnExit.Text = "EXIT";
			this.btnExit.Click += new System.EventHandler(this.btnExit_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(410, 144);
			this.Controls.Add(this.btnExit);
			this.Controls.Add(this.fileLocation);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.FileName);
			this.Controls.Add(this.url);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.urlL);
			this.Controls.Add(this.download);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
			this.Name = "Form1";
			this.Text = "Download\'s Tool (By Crack_XP)";
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void download_Click(object sender, System.EventArgs e) {
			string remoteUri = url.Text;
			string fileName = FileName.Text, myStringWebResource = null;
			// Create a new WebClient instance.
			WebClient myWebClient = new WebClient();
			// Concatenate the domain with the Web resource filename.
			myStringWebResource = remoteUri + fileName;
			MessageBox.Show("Downloading File \"{0}\" from \"{1}\" .......\n\n"+fileName+myStringWebResource);
			// Download the Web resource and save it into the current filesystem folder.
			myWebClient.DownloadFile(myStringWebResource,fileLocation.Text);        
			MessageBox.Show("Successfully Downloaded File!!");
			MessageBox.Show("Downloaded file saved in the following file system folder:\n\t" + fileLocation.Text);			

		}

		private void button2_Click(object sender, System.EventArgs e) {
			if (saveFile.ShowDialog()==DialogResult.OK){
				fileLocation.Text=saveFile.FileName;
				download.Enabled=true;
				}
				
				
		}

		private void btnExit_Click(object sender, System.EventArgs e) {
			Application.Exit();
		}
	}
}

Conclusion :


voir le zip, et bien respecter le format des (url/repertoir_From/),
nom des fichiers(file.extention)et en fin le l'emlacement et le nom.extention

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