[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Gets the dictionary of HTTP headers for the request.
Assembly: Microsoft.Phone (in Microsoft.Phone.dll)
The following headers are reserved for use by the system and cannot be used by calling applications. Adding one of the following headers to the Headers collection will cause a NotSupportedException to be thrown when the Add(BackgroundTransferRequest) method is used to queue the transfer request.