в 15:31, 26 мая 2010

2010-05-26T15:31:53Z

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2010-05-26T12:15:39Z

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==A simple Browser==

<source lang="csharp">using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class WebBrowserDemo
{
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void webBrowser1_ProgressChanged(object sender, WebBrowserProgressChangedEventArgs e)
{
toolStripProgressBar1.Maximum = (int)e.MaximumProgress;
toolStripProgressBar1.Value = (int) e.CurrentProgress;
}
private void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
{
toolStripProgressBar1.Value = toolStripProgressBar1.Maximum;

}
}
partial class Form1
{
private void InitializeComponent()
{
this.statusStrip1 = new System.Windows.Forms.StatusStrip();
this.toolStripProgressBar1 = new System.Windows.Forms.ToolStripProgressBar();
this.webBrowser1 = new System.Windows.Forms.WebBrowser();
this.statusStrip1.SuspendLayout();
this.SuspendLayout();
//
// statusStrip1
//
this.statusStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.toolStripProgressBar1});
this.statusStrip1.LayoutStyle = System.Windows.Forms.ToolStripLayoutStyle.Table;
this.statusStrip1.Location = new System.Drawing.Point(0, 488);
this.statusStrip1.Name = "statusStrip1";
this.statusStrip1.Size = new System.Drawing.Size(695, 22);
this.statusStrip1.TabIndex = 0;
this.statusStrip1.Text = "statusStrip1";
//
// toolStripProgressBar1
//
this.toolStripProgressBar1.DisplayStyle = System.Windows.Forms.ToolStripItemDisplayStyle.ImageAndText;
this.toolStripProgressBar1.Name = "toolStripProgressBar1";
this.toolStripProgressBar1.Size = new System.Drawing.Size(100, 15);
this.toolStripProgressBar1.Text = "toolStripProgressBar1";
//
// webBrowser1
//
this.webBrowser1.Dock = System.Windows.Forms.DockStyle.Fill;
this.webBrowser1.Location = new System.Drawing.Point(0, 0);
this.webBrowser1.Name = "webBrowser1";
this.webBrowser1.Size = new System.Drawing.Size(695, 488);
this.webBrowser1.Url = new System.Uri("http://www.nfex.ru", System.UriKind.Absolute);
this.webBrowser1.ProgressChanged += new System.Windows.Forms.WebBrowserProgressChangedEventHandler(this.webBrowser1_ProgressChanged);
this.webBrowser1.DocumentCompleted += new System.Windows.Forms.WebBrowserDocumentCompletedEventHandler(this.webBrowser1_DocumentCompleted);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(695, 510);
this.Controls.Add(this.webBrowser1);
this.Controls.Add(this.statusStrip1);
this.Name = "Form1";
this.Text = "Form1";
this.statusStrip1.ResumeLayout(false);
this.ResumeLayout(false);
this.PerformLayout();
}
private System.Windows.Forms.StatusStrip statusStrip1;
private System.Windows.Forms.ToolStripProgressBar toolStripProgressBar1;
private System.Windows.Forms.WebBrowser webBrowser1;
}</source>

==Browser with Url entry box==

<source lang="csharp">using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
public class BrowserWithUrlEntryBox
{
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void goButton_Click(object sender, EventArgs e)
{
ftpBrowser.Navigate(addressBox.Text);
}
}
partial class Form1
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ruponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (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.ftpBrowser = new System.Windows.Forms.WebBrowser();
this.label1 = new System.Windows.Forms.Label();
this.addressBox = new System.Windows.Forms.TextBox();
this.goButton = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// ftpBrowser
//
this.ftpBrowser.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.ftpBrowser.Location = new System.Drawing.Point(16, 42);
this.ftpBrowser.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
this.ftpBrowser.Name = "ftpBrowser";
this.ftpBrowser.Size = new System.Drawing.Size(917, 524);
this.ftpBrowser.TabIndex = 4;
//
// label1
//
this.label1.AutoSize = true;
this.label1.Location = new System.Drawing.Point(15, 11);
this.label1.Margin = new System.Windows.Forms.Padding(4, 0, 4, 0);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(60, 17);
this.label1.TabIndex = 1;
this.label1.Text = "Address";
//
// addressBox
//
this.addressBox.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.addressBox.Location = new System.Drawing.Point(77, 7);
this.addressBox.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
this.addressBox.Name = "addressBox";
this.addressBox.Size = new System.Drawing.Size(572, 22);
this.addressBox.TabIndex = 2;
//
// goButton
//
this.goButton.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
this.goButton.Location = new System.Drawing.Point(659, 5);
this.goButton.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
this.goButton.Name = "goButton";
this.goButton.Size = new System.Drawing.Size(100, 28);
this.goButton.TabIndex = 3;
this.goButton.Text = "Go";
this.goButton.Click += new System.EventHandler(this.goButton_Click);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(949, 581);
this.Controls.Add(this.goButton);
this.Controls.Add(this.addressBox);
this.Controls.Add(this.label1);
this.Controls.Add(this.ftpBrowser);
this.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
this.Name = "Form1";
this.Text = "Form1";
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.WebBrowser ftpBrowser;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TextBox addressBox;
private System.Windows.Forms.Button goButton;
}</source>

==Online Book Browser==

<source lang="csharp">/*
Mastering Visual C#.Net
# Paperback: 800 pages
# Publisher: Sybex; 1st edition (August 20, 2002)
# Language: English
# ISBN-10: 0782129110
# ISBN-13: 978-0782129113
*/
using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.IO;
using System.Text.RegularExpressions;
class Book
{
public string BookTitle;
public string BookURL;
public Book( string title, string url)
{
BookTitle = title;
BookURL = url;
}
public override string ToString()
{
return BookTitle;
}
}
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void bookCheckButton_Click(object sender, EventArgs e)
{
GetWebPage("http://www.apress.ru/book/forthcoming.html");
}
private MatchCollection GetBookDetailsFromWebPage(string webPage)
{
// Use a regex here to find all the book info
Regex newBooksRegEx =
new Regex(
"<a href=\"(/book/bookDisplay\\.html\\?bID=[0-9]+)\">([^<]+)</a>",
RegexOptions.Singleline);
return newBooksRegEx.Matches(webPage);
}
private void AddBooksToListBox(MatchCollection books)
{
foreach (Match bookMatch in books)
{
bookList.Items.Add(
new Book(bookMatch.Groups[2].Value, bookMatch.Groups[1].Value)
);
}
}

private void GetWebPage(string url)
{
WebClient web = new WebClient();
web.DownloadStringCompleted +=
new DownloadStringCompletedEventHandler(DownloadComplete);
web.DownloadProgressChanged +=
new DownloadProgressChangedEventHandler(ProgressChanged);
bookList.Items.Clear();
web.DownloadStringAsync(new System.Uri(url));
}

private void ProgressChanged(object sender, ProgressChangedEventArgs e)
{
downloadProgress.Value = e.ProgressPercentage;
}
private void DownloadComplete(object sender, DownloadStringCompletedEventArgs e)
{
downloadProgress.Value = 100;
if (!e.Cancelled)
{
string newBooksPage = e.Result;
AddBooksToListBox(
GetBookDetailsFromWebPage(newBooksPage)
);
}
}
private void bookList_DoubleClick(object sender, EventArgs e)
{
if (bookList.SelectedIndex != -1)
{
Book selectedBook = (Book)bookList.SelectedItem;
browser.Navigate("http://www.apress.ru/" + selectedBook.BookURL, true);
}
}
}
partial class Form1
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ruponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (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.bookList = new System.Windows.Forms.ListBox();
this.bookCheckButton = new System.Windows.Forms.Button();
this.browser = new System.Windows.Forms.WebBrowser();
this.downloadProgress = new System.Windows.Forms.ProgressBar();
this.SuspendLayout();
//
// bookList
//
this.bookList.FormattingEnabled = true;
this.bookList.Location = new System.Drawing.Point(12, 40);
this.bookList.Name = "bookList";
this.bookList.Size = new System.Drawing.Size(410, 355);
this.bookList.Sorted = true;
this.bookList.TabIndex = 0;
this.bookList.DoubleClick += new System.EventHandler(this.bookList_DoubleClick);
//
// bookCheckButton
//
this.bookCheckButton.Location = new System.Drawing.Point(304, 11);
this.bookCheckButton.Name = "bookCheckButton";
this.bookCheckButton.Size = new System.Drawing.Size(118, 23);
this.bookCheckButton.TabIndex = 1;
this.bookCheckButton.Text = "Check for books";
this.bookCheckButton.Click += new System.EventHandler(this.bookCheckButton_Click);
//
// browser
//
this.browser.Location = new System.Drawing.Point(0, 0);
this.browser.Name = "browser";
this.browser.Size = new System.Drawing.Size(282, 34);
this.browser.TabIndex = 0;
this.browser.Visible = false;
//
// downloadProgress
//
this.downloadProgress.Location = new System.Drawing.Point(12, 401);
this.downloadProgress.Name = "downloadProgress";
this.downloadProgress.Size = new System.Drawing.Size(410, 23);
this.downloadProgress.TabIndex = 2;
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(436, 447);
this.Controls.Add(this.downloadProgress);
this.Controls.Add(this.browser);
this.Controls.Add(this.bookCheckButton);
this.Controls.Add(this.bookList);
this.Name = "Form1";
this.Text = "Find forthcoming Apress Books";
this.ResumeLayout(false);
}
#endregion
private System.Windows.Forms.ListBox bookList;
private System.Windows.Forms.Button bookCheckButton;
private System.Windows.Forms.WebBrowser browser;
private System.Windows.Forms.ProgressBar downloadProgress;
}
public class OnlineBookBrowser
{
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}</source>

==Simpel Web Browser with forward, backward button==

<source lang="csharp">using System;
using System.Windows.Forms;
public class SimpleWebBrowser : Form
{
public SimpleWebBrowser()
{
InitializeComponent();
webBrowser1.Navigate("http://www.nfex.ru");
}
private void goButton_Click(object sender, EventArgs e)
{
webBrowser1.Navigate(textURL.Text);
}
private void homeButton_Click(object sender, EventArgs e)
{
webBrowser1.GoHome();
}
private void backButton_Click(object sender, EventArgs e)
{
webBrowser1.GoBack();
}
private void forwarButton_Click(object sender, EventArgs e)
{
webBrowser1.GoForward();
}
private void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
{
textURL.Text = webBrowser1.Url.ToString();
if (webBrowser1.CanGoBack)
{
backButton.Enabled = true;
}
else
{
backButton.Enabled = false;
}
if (webBrowser1.CanGoForward)
{
forwarButton.Enabled = true;
}
else
{
forwarButton.Enabled = false;
}
}
[STAThread]
public static void Main(string[] args)
{
Application.Run(new SimpleWebBrowser());
}
private void InitializeComponent()
{
this.webBrowser1 = new System.Windows.Forms.WebBrowser();
this.goButton = new System.Windows.Forms.Button();
this.textURL = new System.Windows.Forms.TextBox();
this.label1 = new System.Windows.Forms.Label();
this.backButton = new System.Windows.Forms.Button();
this.homeButton = new System.Windows.Forms.Button();
this.forwarButton = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// webBrowser1
//
this.webBrowser1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.webBrowser1.Location = new System.Drawing.Point(-2, 2);
this.webBrowser1.Name = "webBrowser1";
this.webBrowser1.Size = new System.Drawing.Size(685, 190);
this.webBrowser1.TabIndex = 3;
this.webBrowser1.DocumentCompleted += new System.Windows.Forms.WebBrowserDocumentCompletedEventHandler(this.webBrowser1_DocumentCompleted);
//
// goButton
//
this.goButton.Location = new System.Drawing.Point(435, 216);
this.goButton.Name = "goButton";
this.goButton.Size = new System.Drawing.Size(48, 23);
this.goButton.TabIndex = 1;
this.goButton.Text = "Go";
this.goButton.Click += new System.EventHandler(this.goButton_Click);
//
// textURL
//
this.textURL.Location = new System.Drawing.Point(240, 217);
this.textURL.Name = "textURL";
this.textURL.Size = new System.Drawing.Size(189, 20);
this.textURL.TabIndex = 2;
this.textURL.Text = "http://www.nfex.ru";
//
// label1
//
this.label1.Location = new System.Drawing.Point(206, 221);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(31, 13);
this.label1.TabIndex = 0;
this.label1.Text = "Go to:";
//
// backButton
//
this.backButton.Enabled = false;
this.backButton.Location = new System.Drawing.Point(227, 249);
this.backButton.Name = "backButton";
this.backButton.Size = new System.Drawing.Size(75, 23);
this.backButton.TabIndex = 0;
this.backButton.Text = "<< Back";
this.backButton.Click += new System.EventHandler(this.backButton_Click);
//
// homeButton
//
this.homeButton.Location = new System.Drawing.Point(308, 249);
this.homeButton.Name = "homeButton";
this.homeButton.Size = new System.Drawing.Size(75, 23);
this.homeButton.TabIndex = 0;
this.homeButton.Text = "Home";
this.homeButton.Click += new System.EventHandler(this.homeButton_Click);
//
// forwarButton
//
this.forwarButton.Enabled = false;
this.forwarButton.Location = new System.Drawing.Point(389, 249);
this.forwarButton.Name = "forwarButton";
this.forwarButton.Size = new System.Drawing.Size(75, 23);
this.forwarButton.TabIndex = 0;
this.forwarButton.Text = "Forward >>";
this.forwarButton.Click += new System.EventHandler(this.forwarButton_Click);
//
// SimpleWebBrowser
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(684, 303);
this.Controls.Add(this.forwarButton);
this.Controls.Add(this.homeButton);
this.Controls.Add(this.backButton);
this.Controls.Add(this.label1);
this.Controls.Add(this.textURL);
this.Controls.Add(this.goButton);
this.Controls.Add(this.webBrowser1);
this.ResumeLayout(false);
this.PerformLayout();
}
private System.Windows.Forms.WebBrowser webBrowser1;
private System.Windows.Forms.Button goButton;
private System.Windows.Forms.TextBox textURL;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Button backButton;
private System.Windows.Forms.Button homeButton;
private System.Windows.Forms.Button forwarButton;
}</source>

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Csharp/CSharp Tutorial/GUI Windows Forms/WebBrowser - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия