How to create browser extension for application

CS0246 The type or namespace name 'Form' could not be found (are you missing a using directive or an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\default.aspx.cs 17 Active

Error CS0234 The type or namespace name 'Forms' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 4 Active

Error CS0246 The type or namespace name 'SHDocVw' could not be found (are you missing a using directive or an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 7 Active

Error CS0246 The type or namespace name 'IObjectWithSite' could not be found (are you missing a using directive or an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 15 Active

Error CS0246 The type or namespace name 'IWebBrowser2' could not be found (are you missing a using directive or an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 19 Active

Error CS0246 The type or namespace name 'IObjectWithSite' could not be found (are you missing a using directive or an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 149 Active

Error CS0538 'IObjectWithSite' in explicit interface declaration is not an interface InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 149 Active

Error CS0246 The type or namespace name 'IObjectWithSite' could not be found (are you missing a using directive or an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 176 Active

Error CS0538 'IObjectWithSite' in explicit interface declaration is not an interface InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 176 Active

Error CS0103 The name 'InitializeComponent' does not exist in the current context InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\default.aspx.cs 23 Active

Error CS1061 'object' does not contain a definition for 'Text' and no accessible extension method 'Text' accepting a first argument of type 'object' could be found (are you missing a using directive or an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\default.aspx.cs 28 Active

Error CS1061 'object' does not contain a definition for 'Text' and no accessible extension method 'Text' accepting a first argument of type 'object' could be found (are you missing a using directive or an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\default.aspx.cs 29 Active

Error CS0103 The name 'MessageBox' does not exist in the current context InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 76 Active

Error CS0246 The type or namespace name 'IWebBrowserApp' could not be found (are you missing a using directive or an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 158 Active

Error CS0246 The type or namespace name 'IWebBrowser2' could not be found (are you missing a using directive or an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 159 Active

Error CS0246 The type or namespace name 'IWebBrowser2' could not be found (are you missing a using directive or an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 163 Active

Error CS0246 The type or namespace name 'DWebBrowserEvents2_Event' could not be found (are you missing a using directive or an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 165 Active

Error CS0246 The type or namespace name 'DWebBrowserEvents2_DocumentCompleteEventHandler' could not be found (are you missing a using directive or an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 166 Active

Error CS0246 The type or namespace name 'DWebBrowserEvents2_Event' could not be found (are you missing a using directive or an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 170 Active

Error CS0246 The type or namespace name 'DWebBrowserEvents2_DocumentCompleteEventHandler' could not be found (are you missing a using directive or an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 171 Active

Error CS0246 The type or namespace name 'HighlighterOptionsForm' could not be found (are you missing a using directive or an assembly reference?) InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 198 Active

Error CS0103 The name 'DialogResult' does not exist in the current context InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 200 Active

Error CS0103 The name 'MessageBox' does not exist in the current context InternetExplorerExtension E:\Programs\InternetExplorerExtension\InternetExplorerExtension\IEAddon.cs 208 Active

using System;

using System.Collections.Generic;

using System.Runtime.InteropServices;

using System.Windows.Forms;

using Microsoft.Win32;

using mshtml;

using SHDocVw;

namespace InternetExplorerExtension

{

[ComVisible(true)]

[ClassInterface(ClassInterfaceType.None)]

[Guid("D40C654D-7C51-4EB3-95B2-1E23905C2A2D")]

[ProgId("MyBHO.WordHighlighter")]

public class WordHighlighterBHO : IObjectWithSite, IOleCommandTarget

{

const string DefaultTextToHighlight = "browser";

IWebBrowser2 browser;

private object site;

#region Highlight Text

void OnDocumentComplete(object pDisp, ref object URL)

{

try

{

// @Eric Stob: Thanks for this hint!

// This was used to prevent this method being executed more than once in IE8... but now it seems to not work anymore.

//if (pDisp != this.site)

// return;

var document2 = browser.Document as IHTMLDocument2;

var document3 = browser.Document as IHTMLDocument3;

var window = document2.parentWindow;

window.execScript(@"function FncAddedByAddon() { alert('Message added by addon.'); }");

Queue queue = new Queue();

foreach (IHTMLDOMNode eachChild in document3.childNodes)

queue.Enqueue(eachChild);

while (queue.Count > 0)

{

// replacing desired text with a highlighted version of it

var domNode = queue.Dequeue();

var textNode = domNode as IHTMLDOMTextNode;

if (textNode != null)

{

if (textNode.data.Contains(TextToHighlight))

{

var newText = textNode.data.Replace(TextToHighlight, "" + TextToHighlight + "");

var newNode = document2.createElement("span");

newNode.innerHTML = newText;

domNode.replaceNode((IHTMLDOMNode)newNode);

}

}

else

{

// adding children to collection

var x = (IHTMLDOMChildrenCollection)(domNode.childNodes);

foreach (IHTMLDOMNode eachChild in x)

{

if (eachChild is mshtml.IHTMLScriptElement)

continue;

if (eachChild is mshtml.IHTMLStyleElement)

continue;

queue.Enqueue(eachChild);

}

}

}

}

catch (Exception ex)

{

MessageBox.Show(ex.Message);

}

}

#endregion

#region Load and Save Data

static string TextToHighlight = DefaultTextToHighlight;

public static string RegData = "Software\\MyIEExtension";

[DllImport("ieframe.dll")]

public static extern int IEGetWriteableHKCU(ref IntPtr phKey);

private static void SaveOptions()

{

// In IE 7,8,9,(desktop)10 tabs run in Protected Mode

// which prohibits writes to HKLM, HKCU.

// Must ask IE for "Writable" registry section pointer

// which will be something like HKU/S-1-7***/Software/AppDataLow/

// In "metro" IE 10 mode, tabs run in "Enhanced Protected Mode"

// where BHOs are not allowed to run, except in edge cases.

// see http://blogs.msdn.com/b/ieinternals/archive/2012/03/23/understanding-ie10-enhanced-protected-mode-network-security-addons-cookies-metro-desktop.aspx

IntPtr phKey = new IntPtr();

var answer = IEGetWriteableHKCU(ref phKey);

RegistryKey writeable_registry = RegistryKey.FromHandle(

new Microsoft.Win32.SafeHandles.SafeRegistryHandle(phKey, true)

);

RegistryKey registryKey = writeable_registry.OpenSubKey(RegData, true);

if (registryKey == null)

registryKey = writeable_registry.CreateSubKey(RegData);

registryKey.SetValue("Data", TextToHighlight);

writeable_registry.Close();

}

private static void LoadOptions()

{

// In IE 7,8,9,(desktop)10 tabs run in Protected Mode

// which prohibits writes to HKLM, HKCU.

// Must ask IE for "Writable" registry section pointer

// which will be something like HKU/S-1-7***/Software/AppDataLow/

// In "metro" IE 10 mode, tabs run in "Enhanced Protected Mode"

// where BHOs are not allowed to run, except in edge cases.

// see http://blogs.msdn.com/b/ieinternals/archive/2012/03/23/understanding-ie10-enhanced-protected-mode-network-security-addons-cookies-metro-desktop.aspx

IntPtr phKey = new IntPtr();

var answer = IEGetWriteableHKCU(ref phKey);

RegistryKey writeable_registry = RegistryKey.FromHandle(

new Microsoft.Win32.SafeHandles.SafeRegistryHandle(phKey, true)

);

RegistryKey registryKey = writeable_registry.OpenSubKey(RegData, true);

if (registryKey == null)

registryKey = writeable_registry.CreateSubKey(RegData);

registryKey.SetValue("Data", TextToHighlight);

if (registryKey == null)

{

TextToHighlight = DefaultTextToHighlight;

}

else

{

TextToHighlight = (string)registryKey.GetValue("Data");

}

writeable_registry.Close();

}

#endregion

[Guid("6D5140C1-7436-11CE-8034-00AA006009FA")]

[InterfaceType(1)]

public interface IServiceProvider

{

int QueryService(ref Guid guidService, ref Guid riid, out IntPtr ppvObject);

}

#region Implementation of IObjectWithSite

int IObjectWithSite.SetSite(object site)

{

this.site = site;

if (site != null)

{

LoadOptions();

var serviceProv = (IServiceProvider)this.site;

var guidIWebBrowserApp = Marshal.GenerateGuidForType(typeof(IWebBrowserApp)); // new Guid("0002DF05-0000-0000-C000-000000000046");

var guidIWebBrowser2 = Marshal.GenerateGuidForType(typeof(IWebBrowser2)); // new Guid("D30C1661-CDAF-11D0-8A3E-00C04FC9E26E");

IntPtr intPtr;

serviceProv.QueryService(ref guidIWebBrowserApp, ref guidIWebBrowser2, out intPtr);

browser = (IWebBrowser2)Marshal.GetObjectForIUnknown(intPtr);

((DWebBrowserEvents2_Event)browser).DocumentComplete +=

new DWebBrowserEvents2_DocumentCompleteEventHandler(this.OnDocumentComplete);

}

else

{

((DWebBrowserEvents2_Event)browser).DocumentComplete -=

new DWebBrowserEvents2_DocumentCompleteEventHandler(this.OnDocumentComplete);

browser = null;

}

return 0;

}

int IObjectWithSite.GetSite(ref Guid guid, out IntPtr ppvSite)

{

IntPtr punk = Marshal.GetIUnknownForObject(browser);

int hr = Marshal.QueryInterface(punk, ref guid, out ppvSite);

Marshal.Release(punk);

return hr;

}

#endregion

#region Implementation of IOleCommandTarget

int IOleCommandTarget.QueryStatus(IntPtr pguidCmdGroup, uint cCmds, ref OLECMD prgCmds, IntPtr pCmdText)

{

return 0;

}

int IOleCommandTarget.Exec(IntPtr pguidCmdGroup, uint nCmdID, uint nCmdexecopt, IntPtr pvaIn, IntPtr pvaOut)

{

try

{

// Accessing the document from the command-bar.

var document = browser.Document as IHTMLDocument2;

var window = document.parentWindow;

var result = window.execScript(@"alert('You will now be allowed to configure the text to highlight...');");

var form = new HighlighterOptionsForm();

form.InputText = TextToHighlight;

if (form.ShowDialog() != DialogResult.Cancel)

{

TextToHighlight = form.InputText;

SaveOptions();

}

}

catch (Exception ex)

{

MessageBox.Show(ex.Message);

}

return 0;

}

#endregion

#region Registering with regasm

public static string RegBHO = "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Browser Helper Objects";

public static string RegCmd = "Software\\Microsoft\\Internet Explorer\\Extensions";

[ComRegisterFunction]

public static void RegisterBHO(Type type)

{

string guid = type.GUID.ToString("B");

// BHO

{

RegistryKey registryKey = Registry.LocalMachine.OpenSubKey(RegBHO, true);

if (registryKey == null)

registryKey = Registry.LocalMachine.CreateSubKey(RegBHO);

RegistryKey key = registryKey.OpenSubKey(guid);

if (key == null)

key = registryKey.CreateSubKey(guid);

key.SetValue("Alright", 1);

registryKey.Close();

key.Close();

}

// Command

{

RegistryKey registryKey = Registry.LocalMachine.OpenSubKey(RegCmd, true);

if (registryKey == null)

registryKey = Registry.LocalMachine.CreateSubKey(RegCmd);

RegistryKey key = registryKey.OpenSubKey(guid);

if (key == null)

key = registryKey.CreateSubKey(guid);

key.SetValue("ButtonText", "Highlighter options");

key.SetValue("CLSID", "{1FBA04EE-3024-11d2-8F1F-0000F87ABD16}");

key.SetValue("ClsidExtension", guid);

key.SetValue("Icon", "");

key.SetValue("HotIcon", "");

key.SetValue("Default Visible", "Yes");

key.SetValue("MenuText", "&Highlighter options");

key.SetValue("ToolTip", "Highlighter options");

//key.SetValue("KeyPath", "no");

registryKey.Close();

key.Close();

}

}

[ComUnregisterFunction]

public static void UnregisterBHO(Type type)

{

string guid = type.GUID.ToString("B");

// BHO

{

RegistryKey registryKey = Registry.LocalMachine.OpenSubKey(RegBHO, true);

if (registryKey != null)

registryKey.DeleteSubKey(guid, false);

}

// Command

{

RegistryKey registryKey = Registry.LocalMachine.OpenSubKey(RegCmd, true);

if (registryKey != null)

registryKey.DeleteSubKey(guid, false);

}

}

#endregion

}

}

using System;

using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential)]

public struct OLECMD

{

public uint cmdID;

public uint cmdf;

}

[ComImport(), ComVisible(true),

Guid("B722BCCB-4E68-101B-A2BC-00AA00404770"),

InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]

public interface IOleCommandTarget

{

[return: MarshalAs(UnmanagedType.I4)]

[PreserveSig]

int QueryStatus(

[In] IntPtr pguidCmdGroup,

[In, MarshalAs(UnmanagedType.U4)] uint cCmds,

[In, Out, MarshalAs(UnmanagedType.Struct)] ref OLECMD prgCmds,

//This parameter must be IntPtr, as it can be null

[In, Out] IntPtr pCmdText);

[return: MarshalAs(UnmanagedType.I4)]

[PreserveSig]

int Exec(

//[In] ref Guid pguidCmdGroup,

//have to be IntPtr, since null values are unacceptable

//and null is used as default group!

[In] IntPtr pguidCmdGroup,

[In, MarshalAs(UnmanagedType.U4)] uint nCmdID,

[In, MarshalAs(UnmanagedType.U4)] uint nCmdexecopt,

[In] IntPtr pvaIn,

[In, Out] IntPtr pvaOut);

}

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

namespace InternetExplorerExtension

{

public partial class _default : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

}

public partial class HighlighterOptionsForm : Form

{

private readonly object textBox1;

public HighlighterOptionsForm()

{

InitializeComponent();

}

public string InputText

{

get { return this.textBox1.Text; }

set { this.textBox1.Text = value; }

}

}

}

}

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="default.aspx.cs" Inherits="InternetExplorerExtension._default" %>