CefSharp 3在运行时设置代理 [英] CefSharp 3 set proxy at Runtime

问题描述

我下载了（cefclient& cefsimple）c ++示例附带的CEF（chromium嵌入式框架）二进制分发版，并意识到cefclient可以在运行时更改代理设置。

I downloaded CEF (chromuim embedded framework) binary distributation that comes with (cefclient & cefsimple) c++ examples, And Realized that cefclient can change proxy settings on run-time.

要做的关键是抓住RequestContext并调用函数SetPreference。

And the key to do that is to Grab the RequestContext and call the function SetPreference.

都很好用。

，但是在CefSharp上调用SetPreference始终返回false，并且HasPreference也为首选名称 proxy返回false。

but on CefSharp calling SetPreference always returns false, and also HasPreference returns false for the preference name "proxy".

推荐答案

感谢 amaitland 积极强制更改请求上下文首选项的正确方法是在以下位置运行代码CEF UIThread如下：

thanks to amaitland the proper way to actively inforce changing the request-context prefrences, is to run the code on CEF UIThread as following:

    Cef.UIThreadTaskFactory.StartNew(delegate {
        var rc = this.browser.GetBrowser().GetHost().RequestContext;
        var v = new Dictionary<string, object>();
        v["mode"] = "fixed_servers";
        v["server"] = "scheme://host:port";
        string error;
        bool success = rc.SetPreference("proxy", v, out error);
        //success=true,error=""
    });

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