在浏览器外访问 Silverlight 中的主机或 URL 信息
我正在构建一个 Silverlight 应用程序，该应用程序可以轻松部署到不同的网站，并且从应用程序内部，我需要访问托管 Silverlight 的域/主机。所以，我知道对于浏览器窗口内的应用程序，这段代码可以完美地工作：
HtmlPage.Document.DocumentUri.Host;
问题是，我也需要安装这个应用程序并在浏览器外模式下运行。但是，当我在 OOB 模式下调用相同的代码时，出现异常，这是完全正常的，因为 SL 未在浏览器中运行。但从逻辑上讲，SL 应用程序是从某个地方安装的，我需要访问该“原始”URL（或者至少，在这个项目中原始主机对我来说就足够了）。简而言之，如果应用程序是从 http://example.com/example.xap 安装的，如何才能我以编程方式访问字符串“http://example.com/example.xap”，同时用完浏览器？我不会提前知道这一点，因为该应用程序将是模块化的并部署到任何域。在独立存储中创建设置文件并设置域字符串（如果未设置）是唯一的选项，还是有更简单的方法？
谢谢，坎。
I'm building a Silverlight app which will be deployable to different websites easily, and from within the application, I need to access the domain/host that the Silverlight is hosted at. So, I know for apps within the browser window, this code would perfectly work:
HtmlPage.Document.DocumentUri.Host;
The problem is, I need this app to be installed and be run in out-of-browser mode too. However, when I call the same code in OOB mode, I get an exception, which is perfectly normal as SL in not running in a browser. But logically, the SL app has been installed from somewhere, and I need to access that "origin" URL (or at least, the original host is enough for me in this project). Simply put, if the app is installed from http://example.com/example.xap, how can I access the very string "http://example.com/example.xap" programatically while running out of browser? I won't be knowing this in advance as the app will be modular and be deployed to any domain. Is creating a settings file in isolated storage and setting the domain string if not set the only option, or is there a more trivial way?
Thanks, Can.
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您可以使用
Application.Current.Host.Source获取地址（即使在 OOB 中）You can get the address (even in OOB) using
Application.Current.Host.Source您可以从
WebClient的新实例的BaseAddress获取 Xap 的地址。BaseAddress使用应用程序原始地址进行初始化，并将在 OOB 中工作。You can acquire the address of the Xap from the
BaseAddressof a fresh instance of aWebClient.The
BaseAddressis initialised witth the application origin address and will work in an OOB.