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          <TD align=left><BR>定制IE 5.0<BR><BR>Download the code 
            (13KB)<BR><BR>定制IE 5.0<BR><BR>Dino Esposito&amp;nbsp;<BR>张中华 
            翻译讲解<BR>==============<BR>张某前言：金山词霸、网络蚂蚁这些软件是怎么在IE5.0里添加工具条按钮和右键菜单呢？读了Dino 
            Esposito的这篇文章，你就一清二楚了。你可以只看中文翻译讲解部分，如不能充分理解明白，请看对照的原文。<BR>本文原文在MSDN网站上有：<BR>Dino 
            Esposito, "Customizing Microsoft Internet Explorer 5.0", MIND, 
            1999年11月期<BR>在MSDN中的路径为：<BR>Periodicals &brvbar; Periodicals 1999 &brvbar; 
            Microsoft Internet Developer &brvbar; 
            November<BR>MSDN中，关于IE应用开发的更多信息位于：<BR>Platform SDK &brvbar; Web Services &brvbar; 
            Workshop &brvbar; Reusing Browser 
            Technology<BR>由于这里不能放图片，建议看译者网站上的：<BR>http://zzh-cn.com<BR>==============<BR><BR>Nowadays, 
            writing a completely custom browser is not a difficult task—provided 
            you can rely on the WebBrowser control that's available starting 
            with Microsoft?Internet Explorer 3.0. The browser helper objects 
            (BHO) introduced with Internet Explorer 4.0 gave you an opportunity 
            to add even complex new functionality to the original browser. A 
            couple of working examples of BHOs can be found in Scott Roberts' 
            article in the May 1998 issue of MIND and in the January/February 
            1999 issue of 
            MSDN?News.<BR><BR>==============<BR>翻译讲解：有哪些技术、工具可用来定制IE浏览器呢？从IE3.0开始提供的WebBrowser 
            control，从IE4.0开始提供的Browser Helper Objects(BHOs)，就是让开发人员用来定制IE的。Scott 
            Roberts和Dino Esposito写有BHOs相关的介绍文章：<BR>Scott Roberts, "Controlling 
            Internet Explorer 4.0 with Browser Helper Objects", MIND,&nbsp; 
            1998年5月期<BR>Dino Esposito, "Browser Helper Objects: The Browser the 
            Way You Want It", MSDN News, 1999年1/2月期<BR>==============<BR>There 
            is just one aspect missing from all these pre-Internet Explorer 5.0 
            programming goodies: you couldn't associate new functionality with 
            the browser's user interface. You had no way to add new toolbar 
            buttons or to customize any of the menus. Thankfully, this problem 
            has been solved with Internet Explorer 
            5.0.<BR>==============<BR>翻译讲解：但是这些IE5.0之前的技术有个缺点：就是你不能把功能和用户界面联系起来，即你不能往工具条上增加按钮，也不能往菜单里增加菜单项。谢天谢地，IE5.0解决了这些问题。<BR>==============<BR>Let's 
            look at the new ways you can interface with the Internet Explorer 
            UI, the points at which you're allowed to intervene, and what you 
            can actually obtain through code. I'll briefly review the highlights 
            of BHOs, focusing on scripting-related aspects of Internet Explorer 
            5.0 customization and registry changes. Windows Script Host (WSH) 
            will be my development environment of choice 
            here.<BR>==============<BR>翻译讲解：现在就让我们看看是怎么做的，本文使用的开发环境为Windows 
            Script Host(WSH)。<BR>==============<BR>Customizable Aspects of 
            Internet Explorer 5.0<BR>Figure 1 summarizes the aspects of Internet 
            Explorer 5.0 that can be considered customizable. In particular, you 
            can add new toolbar buttons and menu items. For each, you specify 
            the text and icons to add to the particular object, as well as the 
            code that you should run when the user selects the new entry. The 
            browser has a number of context menus that appear when you 
            right-click an image, a document, a table, an ActiveX?control, 
            selected text, and other items. You can add new items to any of the 
            context menus and have full control over the whole process that 
            displays the menu. In other words, you can detect when the context 
            menu is about to be shown and add your changes on the 
            fly.<BR>==============<BR>翻译讲解：Figure 
            1概括了IE5.0可定制的方面。最令人关注的就是可增加工具条按钮和菜单项。右键点击弹出的菜单叫context 
            menu，也可以往里面增加菜单项。<BR>==============<BR>Internet Explorer 5.0 comes 
            with a number of related applications that let you work outside the 
            Web, such as email or news readers, HTML editors, and so on. You can 
            modify the list of available applications to fit your needs. The 
            search bar can be enhanced and you can even use your own search 
            panel.<BR>==============<BR>翻译讲解：和IE5.0相关的程序还有电子邮件和新闻阅读器（OutlookExpress），网页编辑器（FrontPage）等。在Internet选项对话框中程序那一栏里，有个列表列出可供选择的程序，你可以把你喜爱的程序（Foxmail, 
            Dreamweaver）加入列表中。<BR>==============<BR>Technologies like Dynamic 
            HTML (DHTML), behaviors, and XML provide excellent tools for 
            customizing and extending browser features. You can create a browser 
            implementing the IDocHostUIHandler interface, and expose a 
            completely custom object model through that interface's External 
            property (see "Take Total Control of Internet Explorer with Advanced 
            Hosting Interfaces," by Scott Roberts in the October 1998 issue of 
            MIND). You can use behaviors to customize the way a certain HTML tag 
            reacts to user and browser solicitations by extending it with new 
            methods, properties, and 
            events.<BR>==============<BR>翻译讲解：用来定制或扩展浏览器的技术有动态HTML(DHTML), 
            behaviors, XML等。例如，通过实现一个IDocHostUIHandler 接口可以创建一个浏览器，参见：<BR>Scott 
            Roberts, "Take Total Control of Internet Explorer with Advanced 
            Hosting Interfaces", MIND, 
            1998年10月期<BR>==============<BR>Customization 
            Techniques<BR>Customization of the Internet Explorer 5.0 user 
            interface involves four elements: COM components, HTML, script 
            files, and the registry. By writing a special COM component or 
            script file and entering some keys and values to the registry, you 
            can personalize the Internet Explorer interface. As I mentioned 
            earlier, I won't discuss the COM stuff in depth here, but I will 
            give you an overview of the COM component you can write to interact 
            with Internet Explorer 
            5.0.<BR>==============<BR>翻译讲解：定制IE5.0涉及4种元素：COM组件，HTML，Script文件，注册表。往注册表里添加一些Keys和Values，写一个特定的COM组件或Script文件，就可以定制IE的界面了。<BR>==============<BR>There 
            are basically four types of Internet Explorer-specific COM objects: 
            BHOs, BHOs with custom commands, command-only objects, and the 
            Explorer deskband.<BR>==============<BR>翻译讲解：基本上，与IE相关的COM 
            object有4种类型：BHOs，带定制命令的BHOs，command-only objects，Explorer 
            deskband。<BR>==============<BR>A BHO is a simple COM server that is 
            only required to implement the IObjectWithSite interface. You can 
            create a BHO with ATL by choosing the Internet Explorer object 
            template from the ATL objects gallery. BHOs are also supported by 
            Windows Explorer (if you're running shell version 4.71 or greater) 
            and Internet Explorer 4.0. BHOs don't necessarily link with the UI; 
            they are just actions you take when starting the browser. BHOs are 
            passed a pointer to the browser's IUnknown 
            interface.<BR>==============<BR>翻译讲解：一个BHO是一个简单的COM 
            server，只需实现IObjectWithSite接口即可。可以用ATL创建一个BHO，从ATL objects 
            gallery中选择Internet Explorer object template。Windows 
            Explorer和IE4.0也支持BHOs。BHOs并不和UI相连，它只是在浏览器启动时起作用。BHOs会接收到一个指向浏览器IUnknown接口的指针。<BR>==============<BR>You 
            can add new commands to the browser by writing BHOs, or even simpler 
            COM objects, that implement IOleCommandTarget. With this interface, 
            Internet Explorer 5.0 knows how to ask your component to execute a 
            function. Such a component needs to be associated with a menu item 
            or a toolbar button. The difference between a BHO and a COM server 
            implementing IOleCommandTarget is that a BHO can easily access (via 
            the received IUnknown pointer) any object model exposed by the 
            document being 
            viewed.<BR>==============<BR>翻译讲解：如果要往浏览器里加入命令，那么写BHOs，或更简单的COM 
            object时，要实现IOleCommandTarget接口。IE5.0通过这个接口和你的组件交互并执行某项功能。这种组件需要和一个菜单项或一个工具条按钮联系起来。这种实现IOleCommandTarget接口的COM 
            server和前面介绍的实现IObjectWithSite接口的BHOs的区别是：实现IObjectWithSite接口的BHO可以很容易地访问正被浏览的文档中的object 
            model（这是因为上面说到过的，它会接收到一个指向浏览器IUnknown接口的指针）。<BR>==============<BR>An 
            Explorer deskband is a docking window that you can employ as the 
            left pane of your browser. By default, the deskband is a window 
            within Explorer that shows the shell's namespace. Other predefined 
            deskbands allow you to see the Search, History, and Favorites 
            panels. Usually, the available deskbands are listed under the View &brvbar; 
            Explorer Bar menu both for Windows Explorer and Internet Explorer 
            (see Figure 2).<BR>==============<BR>翻译讲解：Explorer 
            deskband是一个浮动窗口，你可以用来作为你的浏览器的左窗格。缺省情况下，deskband显示shell的名字空间（目录树）。其它预定义的deskband用来显示搜索，历史记录，收藏夹等。通常地，这些可用的deskband在Windows 
            Explorer和IE的查看 &brvbar; 浏览栏菜单中罗列出来，见Figure 
            2。<BR>==============<BR><BR>Figure 2: Available Deskbands<BR>Writing 
            a custom deskband is neither painfully difficult nor particularly 
            easy. A few examples can be found in the latest Platform 
            SDK.<BR>==============<BR>翻译讲解：写一个定制的deskband不难（对高手而言），也不易（对初哥而言），在最新的Platform 
            SDK中可以找到一些例子。<BR>==============<BR>Adding a New Toolbar Button<BR>To 
            add a new button to the Internet Explorer 5.0 toolbar, you just 
            write some new entries to the system registry. You define the icons 
            to be used, the text to be shown, and what happens when someone 
            clicks the button. A toolbar button always has a corresponding menu 
            item, which is automatically added at the bottom of the Tools menu. 
            The Windows Scripting Host (WSH) script shown in Figure 3 
            demonstrates how to create a new button called Run Script. The final 
            effect is shown in Figure 
            4.<BR>==============<BR>翻译讲解：要往IE5.0的工具条上加按钮，你只要往注册表里加些条目即可。内容包括使用什么图标，显示什么文字，点击按钮时该做什么等。每个工具条按钮总有相应的菜单项，它会被自动加到工具菜单的底部。Figure 
            3 的WSH Script举例演示了如何添加一个名为Run Script的新按钮，Figure 
            4显示了最终结果。<BR>==============<BR><BR>Figure 4: The New Run Script 
            Toolbar Button<BR>There are two categories of information to be 
            added for a new button: configuration and behavior. Figure 5 shows 
            the entries that describe the button. All the entries mentioned here 
            are strings (type REG_SZ). Notice that if Default Visible is set to 
            No, the button won't appear on the toolbar, although it will still 
            be available through the toolbar's Customize dialog. If the user has 
            already customized the toolbar, the button will not appear on the 
            toolbar automatically no matter the value of Default 
            Visible.<BR>==============<BR>翻译讲解：用什么定义一个新按钮呢？有两种信息：configuration和behavior。Figure 
            5 显示了描述一个按钮所需的条目。这里提到的所有条目都是字符串（REG_SZ类型）。要注意，如果Default 
            Visible设为No，那么该按钮不会出现在工具条上，虽然它在工具条的定制对话框中仍然可以看到。如果用户早就定制过了工具条，那么无论Default 
            Visible的值是什么，按钮都不会自动出现在工具条上。<BR>==============<BR>The Clsid entry 
            can take two possible GUIDs as values: 
            {E0DD6CAB-2D10-11D2-8F1A-0000F87ABD16} 
            <BR>and<BR>{1FBA04EE-3024-11D2-8F1F-0000F87ABD16}<BR>Use the first 
            GUID if you're attaching a deskband to the button, otherwise use the 
            second one.<BR>These entries must all be written to the following 
            root key:<BR><BR>HKEY_LOCAL_MACHINE<BR>&nbsp; \Software<BR>&nbsp; 
            &nbsp; \Microsoft<BR>&nbsp; &nbsp; &nbsp; \Internet 
            Explorer<BR>&nbsp; &nbsp; &nbsp; &nbsp; \Extensions<BR><BR>Under 
            this path, however, you have to create a new key with a unique GUID. 
            You can use GuidGen.exe to generate a new one. Incidentally, this is 
            exactly what I did to come up with the GUID in Figure 3. Notice that 
            as long as you use the HKEY_LOCAL_MACHINE root node, the button will 
            be visible to all users on the specified machine. If you want it to 
            apply only to certain users, enter the registry changes under the 
            HKEY_CURRENT_USER node 
            instead.<BR>==============<BR>翻译讲解：Clsid条目的值是一个GUIDs，有两种选择可能：<BR>{E0DD6CAB-2D10-11D2-8F1A-0000F87ABD16} 
            和 
            {1FBA04EE-3024-11D2-8F1F-0000F87ABD16}如果你想把一个deskband连接到按钮上，使用第一个GUID，否则用第二个（多数情况）。<BR>这些条目放在注册表里的什么地方呢？其根Key为： 
            HKEY_LOCAL_MACHINE<BR>&nbsp; \Software<BR>&nbsp; &nbsp; 
            \Microsoft<BR>&nbsp; &nbsp; &nbsp; \Internet Explorer<BR>&nbsp; 
            &nbsp; &nbsp; &nbsp; 
            \Extensions<BR>在此路径下，创建一个新Key，其名字应为一个唯一的GUID。你可以用GuidGen.exe程序来产生这个GUID，作者就是这样得到Figure 
            3<BR>中的GUID 的。注意，当你在HKEY_LOCAL_MACHINE 
            根节点下增加这些条目时，这台机器上的所有用户都能看到这个按钮。如果你只想让某些特定的人看到，改放到HKEY_CURRENT_USER根节点下。<BR>==============<BR>These 
            changes are sufficient to make a new button appear on the Internet 
            Explorer toolbar. The icons must include two formats each: 16X16 (16 
            colors) and 20X20 (256 colors). You can create these icons with the 
            integrated resource editor of Visual Studio? To give the button an 
            associated behavior, you have three options: running an executable, 
            running a script or an HTML page, or invoking a command defined in 
            some COM component implementing the IOleCommandTarget interface. 
            Let's take a look at what you have to add to the registry in each 
            case.<BR>==============<BR>翻译讲解：为了让新按钮出现在工具条上，注册表做这些改动就可以了。要求图标的格式有两种：16X16 
            (16色) and 20X20 (256 色)。你可以用Visual Studio内集成的resource 
            editor创建这些图标。给该按钮赋予相关的behavior，你有3种选择：运行一个可执行文件，打开一个script或HTML页面，或者引发一条命令，该命令定义在某些实现了IOleCommandTarget接口的COM组件中。让我们看看在每种情况下，注册表里要添加些什么。<BR>==============<BR>To