C# 視窗程式：如何使用新版的瀏覽器控件？

參考：

    var appName = Process.GetCurrentProcess().MainModule.ModuleName;
    Registry.SetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\MAIN\FeatureControl\FEATURE_BROWSER_EMULATION", appName, 9999, RegistryValueKind.DWord);
    InitializeComponent();

專案下載：NewBrowser.zip

在 C# 中使用 WebBrowser 控制項時，預設使用的是 IE4 (也太老了吧！)，並不會自動隨著使用者的更新而改用新的控件，此時您必須更新系統註冊碼，讓 Windows 系統知道你的程式想使用新版的 IE，以下是筆者的參考資料：

C# Web Browser component is IE7 not IE8? How to change this?

It appears you need to fiddle with the registry as per this article: - http://blogs.msdn.com/ie/archive/2009/03/10/more-ie8-extensibility-improvements.aspx

To run a WebBrowser control in IE8 Standards Mode, use the following new value into the registry:

[(HKEY_CURRENT_USER or HKEY_LOCAL_MACHINE)\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION] "MyApplication.exe" = dword 8000 (Hex: 0x1F40)

To run in IE7 Standards Mode, use the following registry value:
[(HKEY_CURRENT_USER or HKEY_LOCAL_MACHINE)\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION] "MyApplication.exe" = dword 7000 (Hex: 0x1B58)
For IE8 RTM, we’ve added a new “forced” IE8 Standards Mode value. When an application opts into this mode, the Web Browser control will use the IE8 User-Agent string and Browser Emulation mode strictly. It will also ignore fallback features such as the built-in Compatibility View list and the user-generated Compatibility View list when loading pages. To run in “forced” IE8 Standards Mode, use the following registry value:
[(HKEY_CURRENT_USER or HKEY_LOCAL_MACHINE)\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION] "MyApplication.exe" = dword 8888 (Hex: 0x22B8)
In all of these examples, “MyApplication.exe” refers to the name of your application.

為了讓您的程式在發布後，都可以強制所有電腦使用新版的 IE，您可以將下列程式放在 Form 一開始啟動的時候，或者是放在 Application 的 Main 程式中，如下所示：

...
        public Form1() A
        {
            InitializeComponent();

            Registry.SetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\MAIN\
FeatureControl\FEATURE_BROWSER_EMULATION",
              "Browser.exe",  "dword 8000");
            Registry.SetValue(@"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\MAIN\
FeatureControl\FEATURE_BROWSER_EMULATION",
              "Browser.vshost.exe", "dword 8000");
        }
...

參考文獻

C# Web Browser component is IE7 not IE8? How to change this?
- http://stackoverflow.com/questions/1786905/c-sharp-web-browser-component-is-ie7-not-ie8-how-to-change-this
如何為 WebBrowser 控制項主機處理指令碼錯誤
- http://support.microsoft.com/kb/261003

page revision: 13, last edited: 27 Dec 2013 01:50

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作者：陳鍾誠

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