Gets the cookies used to persist state information for the HTTP response.
Assembly: System.Net (in System.Net.dll)
The NotImplementedException is thrown if the application does not use the client HTTP stack for the HTTP request. By default, the browser HTTP stack is used by the HttpWebRequest class. An application can use the client HTTP stack by calling the RegisterPrefix method with the creator parameter set to the value returned by the ClientHttp property.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.