How to create browser extension for application

Question

Hello members, Hope you are doing good and in Safe zone. Can any one guide me on creating the browser extensions for an application. From there how i can use the application.

Mas · Answer

Vrushali, These are the issues am facing in the cod... Can you please guide me over here.... 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 .............................................. Here is the code IEAdoon.cs 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 } } ............. Interop.CS There is no issues.. 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); } ...................................... Default.CS code 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; } } } } } ............................. Default.aspx Added the reference

Vrushali Ghodke · Answer

Please check below link I hope it may help you. https://stackoverflow.com/questions/5643819/how-to-get-started-with-developing-internet-explorer-extensions

Mas · Answer

Salman, Here I am trying to implement the Code in IE browser. But facing an issue in manifest. Can you Guide me here. Thank you in advance!!

Salman Beg · Answer

Check this link it might help you, https://www.smashingmagazine.com/2017/04/browser-extension-edge-chrome-firefox-opera-brave-vivaldi/