www.pudn.com > SharpDownload(FTP¼°WEBÏÂÔØ).zip > Form1.cs
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Diagnostics;
namespace SharpDownload
{
///
/// Summary description for Form1.
///
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.TextBox textBox2;
private System.Windows.Forms.ProgressBar progressBar1;
///
/// Required designer variable.
///
private System.ComponentModel.Container components = null;
private FileDownload fileDown;
private ProgressBar[] progressBar;
private Label[] progressLabel;
private const long MIN_SPLIT_SIZE = 20000;
private System.Windows.Forms.ProgressBar progressBar2;
private System.Windows.Forms.ProgressBar progressBar3;
private System.Windows.Forms.ProgressBar progressBar4;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.Label label5;
private System.Windows.Forms.Label label6;
private const int MAX_FILE_PARTS = 4;
public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
///
/// Clean up any resources being used.
///
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
private void InitializeComponent() {
this.progressBar1 = new System.Windows.Forms.ProgressBar();
this.textBox2 = new System.Windows.Forms.TextBox();
this.textBox1 = new System.Windows.Forms.TextBox();
this.label1 = new System.Windows.Forms.Label();
this.button1 = new System.Windows.Forms.Button();
this.label2 = new System.Windows.Forms.Label();
this.progressBar2 = new System.Windows.Forms.ProgressBar();
this.progressBar3 = new System.Windows.Forms.ProgressBar();
this.progressBar4 = new System.Windows.Forms.ProgressBar();
this.label3 = new System.Windows.Forms.Label();
this.label4 = new System.Windows.Forms.Label();
this.label5 = new System.Windows.Forms.Label();
this.label6 = new System.Windows.Forms.Label();
this.SuspendLayout();
//
// progressBar1
//
this.progressBar1.Location = new System.Drawing.Point(8, 168);
this.progressBar1.Name = "progressBar1";
this.progressBar1.Size = new System.Drawing.Size(336, 16);
this.progressBar1.TabIndex = 4;
//
// textBox2
//
this.textBox2.Location = new System.Drawing.Point(8, 64);
this.textBox2.Name = "textBox2";
this.textBox2.Size = new System.Drawing.Size(328, 20);
this.textBox2.TabIndex = 2;
this.textBox2.Text = "c:\\\\";
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(8, 24);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(328, 20);
this.textBox1.TabIndex = 0;
this.textBox1.Text = "ftp://ftp.cdrom.com/pub/simtelnet/winxp/arcade/simon32.zip";
//
// label1
//
this.label1.Location = new System.Drawing.Point(8, 8);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(72, 16);
this.label1.TabIndex = 5;
this.label1.Text = "Source";
//
// button1
//
this.button1.Location = new System.Drawing.Point(408, 24);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(72, 24);
this.button1.TabIndex = 1;
this.button1.Text = "button1";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// label2
//
this.label2.Location = new System.Drawing.Point(8, 48);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(104, 16);
this.label2.TabIndex = 6;
this.label2.Text = "Destination";
//
// progressBar2
//
this.progressBar2.Location = new System.Drawing.Point(8, 192);
this.progressBar2.Name = "progressBar2";
this.progressBar2.Size = new System.Drawing.Size(336, 16);
this.progressBar2.TabIndex = 7;
//
// progressBar3
//
this.progressBar3.Location = new System.Drawing.Point(8, 216);
this.progressBar3.Name = "progressBar3";
this.progressBar3.Size = new System.Drawing.Size(336, 16);
this.progressBar3.TabIndex = 8;
//
// progressBar4
//
this.progressBar4.Location = new System.Drawing.Point(8, 240);
this.progressBar4.Name = "progressBar4";
this.progressBar4.Size = new System.Drawing.Size(336, 16);
this.progressBar4.TabIndex = 9;
//
// label3
//
this.label3.Location = new System.Drawing.Point(352, 168);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(120, 16);
this.label3.TabIndex = 10;
this.label3.Text = "label3";
//
// label4
//
this.label4.Location = new System.Drawing.Point(352, 192);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(120, 16);
this.label4.TabIndex = 11;
this.label4.Text = "label4";
//
// label5
//
this.label5.Location = new System.Drawing.Point(352, 216);
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(120, 16);
this.label5.TabIndex = 12;
this.label5.Text = "label5";
//
// label6
//
this.label6.Location = new System.Drawing.Point(352, 240);
this.label6.Name = "label6";
this.label6.Size = new System.Drawing.Size(120, 16);
this.label6.TabIndex = 13;
this.label6.Text = "label6";
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(488, 261);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.label6,
this.label5,
this.label4,
this.label3,
this.progressBar4,
this.progressBar3,
this.progressBar2,
this.label2,
this.label1,
this.progressBar1,
this.textBox2,
this.button1,
this.textBox1});
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
}
///
/// The main entry point for the application.
///
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void button1_Click(object sender, System.EventArgs e)
{
// Check the protocol
string urlRequested = this.textBox1.Text;
switch (urlRequested.Substring(0, urlRequested.IndexOf(":")))
{
case "ftp":
// Set up the progress bar
// Create a new file download
fileDown = new FileDownload();
fileDown.SourceAddress = urlRequested;
Debug.WriteLine("SourceAddress=" + fileDown.SourceAddress);
fileDown.DestinationAddress = this.textBox2.Text;
Debug.WriteLine("DestinationAddress=" + fileDown.DestinationAddress);
// Bind to events
fileDown.DownloadStartedEvent+=new FileDownload.DownloadStartedEventHandler(DownloadStarted);
fileDown.DataReceivedEvent+=new FileDownload.DataReceivedEventHandler(DataReceived);
fileDown.DownloadFinishedEvent+=new FileDownload.DownloadFinishedEventHandler(DownloadFinished);
// Set up progress references
progressBar = new ProgressBar[4] {progressBar1, progressBar2, progressBar3, progressBar4};
progressLabel = new Label[4] {label3, label4, label5, label6};
// Start the async download process
fileDown.AsyncDownload();
// Synchronous download call with split and resume
//ftpClient1.Download(ftpURL.FileName, fileDown.DestinationAddress + ftpURL.FileName + ".1", true, 0, 1000);
//ftpClient1.Download(ftpURL.FileName, fileDown.DestinationAddress + ftpURL.FileName + ".1", true, 0, 2000);
//ftpClient1.Download(ftpURL.FileName, fileDown.DestinationAddress + ftpURL.FileName + ".3", true, 2000, 0);
//ftpClient1.Close();
break;
case "http":
break;
case "https":
break;
default:
break;
}
}
// Download started event handler
private void DownloadStarted(FileDownload.DownloadStartedEventArgs e)
{
try
{
Debug.WriteLine("Form1:DownloadStarted event raised");
progressBar[e.PartNumber].Minimum = 0;
progressBar[e.PartNumber].Maximum = (int)fileDown[e.PartNumber].PartSize;
progressBar[e.PartNumber].Value = 0;
progressLabel[e.PartNumber].Text = "Download started";
}
catch
{
}
}
// Data received event handler
private void DataReceived(FileDownload.DataReceivedEventArgs e)
{
try
{
progressBar[e.PartNumber].Value = (int)e.BytesDownloaded;
progressLabel[e.PartNumber].Text = "Receiving data...";
}
catch
{
// Ignore errors
}
}
// Download finished callback
private void DownloadFinished(FileDownload.DownloadFinishedEventArgs e)
{
try
{
Debug.WriteLine("Form1:DownloadFinished event raised");
progressLabel[e.PartNumber].Text = "Download complete.";
}
catch
{
}
}
}
}