Question

我有一个导航到此网址的网络浏览器：https://www.tinglysning.dk/m/#/soeg

我希望通过自动在文本框中输入文本然后点击“Søg”按钮来自动搜索。我这样做：

        webBrowser1.Document.GetElementById("adresse").InnerText = "hobrovej 35 9000";
        webBrowser1.Document.GetElementById("btn-soeg").InvokeMember("Click");

所有工作正常，问题是单击按钮时，它只显示一个加载框而不是实际结果

提前致谢

Answer 1

问题是，WebBrowser控件有许多安全限制，如果单页应用程序（SPA）（如使用AJAX），则会阻止正确执行。 https://www.tinglysning.dk/m/#/soeg似乎是一个Angular应用程序。

我假设你开发了一个WindowsFormsApplication（因为WPF WebBrowser没有GetElementById函数）。我找到了一个有效的解决方案，在这篇文章中回答了问题：https://stackoverflow.com/a/18333982/1681616

下面的代码禁用了这些安全限制，并允许Angular应用程序正常工作。只需确保在初始化WebBrowser控件之前调用SetBrowserFeatureControl。例如。在表单InitializeComponent

之前调用此方法

private void SetBrowserFeatureControl()
{
    // http://msdn.microsoft.com/en-us/library/ee330720(v=vs.85).aspx

    // FeatureControl settings are per-process
    var fileName = Path.GetFileName(Process.GetCurrentProcess().MainModule.FileName);

    // make the control is not running inside Visual Studio Designer
    if (string.Compare(fileName, "devenv.exe", true) == 0
        || string.Compare(fileName, "XDesProc.exe", true) == 0)
        return;

    SetBrowserFeatureControlKey("FEATURE_BROWSER_EMULATION",
                                fileName,
                                GetBrowserEmulationMode()); // Webpages containing standards-based !DOCTYPE directives are displayed in IE10 Standards mode.
    SetBrowserFeatureControlKey("FEATURE_AJAX_CONNECTIONEVENTS", fileName, 1);
    SetBrowserFeatureControlKey("FEATURE_ENABLE_CLIPCHILDREN_OPTIMIZATION", fileName, 1);
    SetBrowserFeatureControlKey("FEATURE_MANAGE_SCRIPT_CIRCULAR_REFS", fileName, 1);
    SetBrowserFeatureControlKey("FEATURE_DOMSTORAGE ", fileName, 1);
    SetBrowserFeatureControlKey("FEATURE_GPU_RENDERING ", fileName, 1);
    SetBrowserFeatureControlKey("FEATURE_IVIEWOBJECTDRAW_DMLT9_WITH_GDI  ", fileName, 0);
    SetBrowserFeatureControlKey("FEATURE_DISABLE_LEGACY_COMPRESSION", fileName, 1);
    SetBrowserFeatureControlKey("FEATURE_LOCALMACHINE_LOCKDOWN", fileName, 0);
    SetBrowserFeatureControlKey("FEATURE_BLOCK_LMZ_OBJECT", fileName, 0);
    SetBrowserFeatureControlKey("FEATURE_BLOCK_LMZ_SCRIPT", fileName, 0);
    SetBrowserFeatureControlKey("FEATURE_DISABLE_NAVIGATION_SOUNDS", fileName, 1);
    SetBrowserFeatureControlKey("FEATURE_SCRIPTURL_MITIGATION", fileName, 1);
    SetBrowserFeatureControlKey("FEATURE_SPELLCHECKING", fileName, 0);
    SetBrowserFeatureControlKey("FEATURE_STATUS_BAR_THROTTLING", fileName, 1);
    SetBrowserFeatureControlKey("FEATURE_TABBED_BROWSING", fileName, 1);
    SetBrowserFeatureControlKey("FEATURE_VALIDATE_NAVIGATE_URL", fileName, 1);
    SetBrowserFeatureControlKey("FEATURE_WEBOC_DOCUMENT_ZOOM", fileName, 1);
    SetBrowserFeatureControlKey("FEATURE_WEBOC_POPUPMANAGEMENT", fileName, 0);
    SetBrowserFeatureControlKey("FEATURE_WEBOC_MOVESIZECHILD", fileName, 1);
    SetBrowserFeatureControlKey("FEATURE_ADDON_MANAGEMENT", fileName, 0);
    SetBrowserFeatureControlKey("FEATURE_WEBSOCKET", fileName, 1);
    SetBrowserFeatureControlKey("FEATURE_WINDOW_RESTRICTIONS ", fileName, 0);
    SetBrowserFeatureControlKey("FEATURE_XMLHTTP", fileName, 1);
}

private void SetBrowserFeatureControlKey(string feature,
                                            string appName,
                                            uint value)
{
    using (var key = Registry.CurrentUser.CreateSubKey(
                                                        string.Concat(@"Software\Microsoft\Internet Explorer\Main\FeatureControl\", feature),
                                                        RegistryKeyPermissionCheck.ReadWriteSubTree))
    {
        key.SetValue(appName, (uint) value, RegistryValueKind.DWord);
    }
}

private uint GetBrowserEmulationMode()
{
    var browserVersion = 7;
    using (var ieKey = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Internet Explorer",
                                                        RegistryKeyPermissionCheck.ReadSubTree,
                                                        RegistryRights.QueryValues))
    {
        var version = ieKey.GetValue("svcVersion");
        if (null == version)
        {
            version = ieKey.GetValue("Version");
            if (null == version)
                throw new ApplicationException("Microsoft Internet Explorer is required!");
        }

        int.TryParse(version.ToString().Split('.')[0], out browserVersion);
    }

    uint
        mode = 11000; // Internet Explorer 11. Webpages containing standards-based !DOCTYPE directives are displayed in IE11 Standards mode. Default value for Internet Explorer 11.
    switch (browserVersion)
    {
        case 7:
            mode = 7000; // Webpages containing standards-based !DOCTYPE directives are displayed in IE7 Standards mode. Default value for applications hosting the WebBrowser Control.
            break;
        case 8:
            mode = 8000; // Webpages containing standards-based !DOCTYPE directives are displayed in IE8 mode. Default value for Internet Explorer 8
            break;
        case 9:
            mode = 9000; // Internet Explorer 9. Webpages containing standards-based !DOCTYPE directives are displayed in IE9 mode. Default value for Internet Explorer 9.
            break;
        case 10:
            mode = 10000; // Internet Explorer 10. Webpages containing standards-based !DOCTYPE directives are displayed in IE10 mode. Default value for Internet Explorer 10.
            break;
        default:
            // use IE11 mode by default
            break;
    }

    return mode;
}

C＃Web浏览器调用单击

1 个答案: