How to remove or disable plugin in CefSharp

Question

I need to disable Flash Player. I tried to do this through the RequestContextHandler, but it did not work:

public class RequestContextHandler : IRequestContextHandler
{
    public ICookieManager GetCookieManager()
    {
        return null;
    }

    public bool OnBeforePluginLoad(string mimeType, string url, bool isMainFrame, string topOriginUrl, WebPluginInfo pluginInfo, ref PluginPolicy pluginPolicy)
    {
        bool blockPluginLoad = pluginInfo.Name.ToLower().Contains("flash");
        return blockPluginLoad;
    }
}

Whoer.net shows that Flash is not disabled.

How I can disable "pepflashplayer" plugin?

Answer 1

Аlso need to configure the plugin policy:

public class RequestContextHandler : IRequestContextHandler
{
    public ICookieManager GetCookieManager()
    {
        return null;
    }

    public bool OnBeforePluginLoad(string mimeType, string url, bool isMainFrame, string topOriginUrl, WebPluginInfo pluginInfo, ref PluginPolicy pluginPolicy)
    {

        bool blockPluginLoad = pluginInfo.Name.ToLower().Contains("flash");
        if (blockPluginLoad)
        {
            pluginPolicy = PluginPolicy.Disable;
        }
        return blockPluginLoad;
    }
} 

Thanks to @stuartd