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   源码介绍

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当要打开新窗口时，不是弹出IE或其他浏览器，在本身的新tab页中是实现。 可以在此基础上进行多次开发，如进行DOM操作，当然做个什么自动化提交之类的也不在话下了。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace ExtendedWebBrowser2
{
    [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Globalization", "CA1301:AvoidDuplicateAccelerators")]
    partial class MainForm : Form
    {
        private bool once = true;
        public MainForm()
        {
            InitializeComponent();
            _windowManager = new WindowManager(this.tabControl);
            _windowManager.CommandStateChanged  = new EventHandler<CommandStateEventArgs>(_windowManager_CommandStateChanged);
            _windowManager.StatusTextChanged  = new EventHandler<TextChangedEventArgs>(_windowManager_StatusTextChanged);
        }

        // Update the status text
        void _windowManager_StatusTextChanged(object sender, TextChangedEventArgs e)
        {
            this.toolStripStatusLabel.Text = e.Text;
        }

        // Enable / disable buttons
        void _windowManager_CommandStateChanged(object sender, CommandStateEventArgs e)
        {
            this.forwardToolStripButton.Enabled = ((e.BrowserCommands & BrowserCommands.Forward) == BrowserCommands.Forward);
            this.backToolStripButton.Enabled = ((e.BrowserCommands & BrowserCommands.Back) == BrowserCommands.Back);
            this.printPreviewToolStripButton.Enabled = ((e.BrowserCommands & BrowserCommands.PrintPreview) == BrowserCommands.PrintPreview);
            this.printPreviewToolStripMenuItem.Enabled = ((e.BrowserCommands & BrowserCommands.PrintPreview) == BrowserCommands.PrintPreview);
            this.printToolStripButton.Enabled = ((e.BrowserCommands & BrowserCommands.Print) == BrowserCommands.Print);
            this.printToolStripMenuItem.Enabled = ((e.BrowserCommands & BrowserCommands.Print) == BrowserCommands.Print);
            this.homeToolStripButton.Enabled = ((e.BrowserCommands & BrowserCommands.Home) == BrowserCommands.Home);
            this.searchToolStripButton.Enabled = ((e.BrowserCommands & BrowserCommands.Search) == BrowserCommands.Search);
            this.refreshToolStripButton.Enabled = ((e.BrowserCommands & BrowserCommands.Reload) == BrowserCommands.Reload);
            this.stopToolStripButton.Enabled = ((e.BrowserCommands & BrowserCommands.Stop) == BrowserCommands.Stop);
        }

        #region Tools menu
        // Executed when the user clicks on Tools -> Options
        private void optionsToolStripMenuItem_Click(object sender, EventArgs e)
        {
            using (OptionsForm of = new OptionsForm())
            {
                of.ShowDialog(this);
            }
        }
        // Tools -> Show script errors
        private void scriptErrorToolStripMenuItem_Click(object sender, EventArgs e)
        {
            ScriptErrorManager.Instance.ShowWindow();
        }

        #endregion

        #region File Menu

        // File -> Print
        private void printToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Print();
        }

        // File -> Print Preview
        private void printPreviewToolStripMenuItem_Click(object sender, EventArgs e)
        {
            PrintPreview();
        }

        // File -> Exit
        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        // File -> Open URL
        private void openUrlToolStripMenuItem_Click(object sender, EventArgs e)
        {
            using (OpenUrlForm ouf = new OpenUrlForm())
            {
                if (ouf.ShowDialog() == DialogResult.OK)
                {
                    ExtendedWebBrowser brw = _windowManager.New(false);
                    brw.Navigate(ouf.Url);
                }
            }
        }

        // File -> Open File
        private void openFileToolStripMenuItem_Click(object sender, EventArgs e)
        {
            using (OpenFileDialog ofd = new OpenFileDialog())
            {
                ofd.Filter = Properties.Resources.OpenFileDialogFilter;
                if (ofd.ShowDialog() == DialogResult.OK)
                {
                    Uri url = new Uri(ofd.FileName);
                    WindowManager.Open(url);
                }
            }
        }
        #endregion

        #region Help Menu

        // Executed when the user clicks on Help -> About
        private void aboutToolStripMenuItem_Click(object sender, EventArgs e)
        {
            About();
        }

        /// <summary>
        /// Shows the AboutForm
        /// </summary>
        private void About()
        {
            using (AboutForm af = new AboutForm())
            {
                af.ShowDialog(this);
            }
        }

        #endregion


        /// <summary>
        /// The WindowManager class
        /// </summary>
        private WindowManager _windowManager;

        // This is handy when all the tabs are closed.
        private void tabControl_VisibleChanged(object sender, EventArgs e)
        {
            if (tabControl.Visible)
            {
                this.panel1.BackColor = SystemColors.Control;
            }
            else
                this.panel1.BackColor = SystemColors.AppWorkspace;
        }

        // Starting the app here...
        private void MainForm_Load(object sender, EventArgs e)
        {
            // Open a new browser window
            _windowManager.New();
        }


        #region Printing & Print Preview
        private void Print()
        {
            ExtendedWebBrowser brw = _windowManager.ActiveBrowser;
            if (brw != null)
                brw.ShowPrintDialog();
        }

        private void PrintPreview()
        {
            ExtendedWebBrowser brw = _windowManager.ActiveBrowser;
            if (brw != null)
                brw.ShowPrintPreviewDialog();
        }
        #endregion

        #region Toolstrip buttons
        private void closeWindowToolStripButton_Click(object sender, EventArgs e)
        {
            this._windowManager.New();
        }

        private void closeToolStripButton_Click(object sender, EventArgs e)
        {
            this._windowManager.Close();
        }

        private void printToolStripButton_Click(object sender, EventArgs e)
        {
            Print();
        }

        private void printPreviewToolStripButton_Click(object sender, EventArgs e)
        {
            PrintPreview();
        }

        private void backToolStripButton_Click(object sender, EventArgs e)
        {
            if (_windowManager.ActiveBrowser != null && _windowManager.ActiveBrowser.CanGoBack)
                _windowManager.ActiveBrowser.GoBack();
        }

        private void forwardToolStripButton_Click(object sender, EventArgs e)
        {
            if (_windowManager.ActiveBrowser != null && _windowManager.ActiveBrowser.CanGoForward)
                _windowManager.ActiveBrowser.GoForward();
        }

        private void stopToolStripButton_Click(object sender, EventArgs e)
        {
            if (_windowManager.ActiveBrowser != null)
            {
                _windowManager.ActiveBrowser.Stop();
            }
            stopToolStripButton.Enabled = false;
        }

        private void refreshToolStripButton_Click(object sender, EventArgs e)
        {
            if (_windowManager.ActiveBrowser != null)
            {
                _windowManager.ActiveBrowser.Refresh(WebBrowserRefreshOption.Normal);
            }
        }

        private void homeToolStripButton_Click(object sender, EventArgs e)
        {
            if (_windowManager.ActiveBrowser != null)
                _windowManager.ActiveBrowser.GoHome();
        }

        private void searchToolStripButton_Click(object sender, EventArgs e)
        {
            if (_windowManager.ActiveBrowser != null)
                _windowManager.ActiveBrowser.GoSearch();
        }

        #endregion



        public WindowManager WindowManager
        {
            get { return _windowManager; }
        }
    }
}