如何在 .NET WebAPI 5.2.2 上读取 javascript FormData 对象

How to read a javascript FormData object on .NET WebAPI 5.2.2

我正在尝试根据 this RecordRTC example.

实施网络摄像头视频录制上传

问题是 "Request.Files" 抛出以下编译错误,如屏幕截图所示。

'HttpRequestMessage' does not contain a definition for 'Files' and no extension method 'Files' accepting a first argument of type 'HttpRequestMessage' could be found (are you missing a using directive or an assembly reference?)

我应该怎么做才能修复错误?

应该来自 System.Web.HttpContext.Current.Request.Files 而不是 HttpRequestMessage