Silverlight 5

WinRT

	public class ByteArrayContent
	: HttpContent, IDisposable
	protected virtual Stream CreateContentReadStream();
	protected virtual void SerializeToStream(Stream stream, TransportContext context);
	protected virtual Task SerializeToStreamAsync(Stream stream, TransportContext context);
	internal protected virtual Boolean TryComputeLength(out Int64& length);

	public abstract class DelegatingHandler
	: HttpMessageHandler, IDisposable
	protected virtual void Dispose(Boolean disposing);
	internal protected virtual HttpResponseMessage Send(HttpRequestMessage request, CancellationToken cancellationToken);
	internal protected virtual Task`1<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken);

	public class FormUrlEncodedContent
	: HttpContent, IDisposable
	protected virtual Stream CreateContentReadStream();
	protected virtual void SerializeToStream(Stream stream, TransportContext context);
	protected virtual Task SerializeToStreamAsync(Stream stream, TransportContext context);
	internal protected virtual Boolean TryComputeLength(out Int64& length);

	public class HttpClient
	: IDisposable
	public Uri BaseAddress { get; set; }
	public HttpRequestHeaders DefaultRequestHeaders { get; }
	public Int32 MaxResponseContentBufferSize { get; set; }
	public TimeSpan Timeout { get; set; }
	public void CancelPendingRequests();
	public HttpResponseMessage Delete(Uri requestUri);
	public HttpResponseMessage Delete(String requestUri);
	public Task`1<HttpResponseMessage> DeleteAsync(Uri requestUri);
	public Task`1<HttpResponseMessage> DeleteAsync(String requestUri);
	protected virtual void Dispose(Boolean disposing);
	public virtual void Dispose();
	public HttpResponseMessage Get(Uri requestUri);
	public HttpResponseMessage Get(String requestUri);
	public Task`1<HttpResponseMessage> GetAsync(Uri requestUri);
	public Task`1<HttpResponseMessage> GetAsync(String requestUri);
	public HttpResponseMessage Post(Uri requestUri, HttpContent content);
	public HttpResponseMessage Post(String requestUri, HttpContent content);
	public Task`1<HttpResponseMessage> PostAsync(Uri requestUri, HttpContent content);
	public Task`1<HttpResponseMessage> PostAsync(String requestUri, HttpContent content);
	public HttpResponseMessage Put(Uri requestUri, HttpContent content);
	public HttpResponseMessage Put(String requestUri, HttpContent content);
	public Task`1<HttpResponseMessage> PutAsync(Uri requestUri, HttpContent content);
	public Task`1<HttpResponseMessage> PutAsync(String requestUri, HttpContent content);
	public HttpResponseMessage Send(HttpRequestMessage request);
	public HttpResponseMessage Send(HttpRequestMessage request, HttpCompletionOption completionOption);
	public HttpResponseMessage Send(HttpRequestMessage request, CancellationToken cancellationToken);
	public HttpResponseMessage Send(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationToken cancellationToken);
	public Task`1<HttpResponseMessage> SendAsync(HttpRequestMessage request);
	public Task`1<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken);
	public Task`1<HttpResponseMessage> SendAsync(HttpRequestMessage request, HttpCompletionOption completionOption);
	public Task`1<HttpResponseMessage> SendAsync(HttpRequestMessage request, HttpCompletionOption completionOption, CancellationToken cancellationToken);

	public class HttpClientHandler
	: HttpMessageHandler, IDisposable
	public Boolean AllowAutoRedirect { get; set; }
	public DecompressionMethods AutomaticDecompression { get; set; }
	public CookieContainer CookieContainer { get; set; }
	public ICredentials Credentials { get; set; }
	public Int32 MaxAutomaticRedirections { get; set; }
	public Int32 MaxRequestContentBufferSize { get; set; }
	public Boolean PreAuthenticate { get; set; }
	public IWebProxy Proxy { get; set; }
	public virtual Boolean SupportsAutomaticDecompression { get; }
	public virtual Boolean SupportsProxy { get; }
	public virtual Boolean SupportsRedirectConfiguration { get; }
	public Boolean UseCookies { get; set; }
	public Boolean UseDefaultCredentials { get; set; }
	public Boolean UseProxy { get; set; }
	protected virtual void Dispose(Boolean disposing);
	internal protected virtual HttpResponseMessage Send(HttpRequestMessage request, CancellationToken cancellationToken);
	internal protected virtual Task`1<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken);

	public sealed enum HttpCompletionOption
	: IComparable, IFormattable, IConvertible
	{ ResponseContentRead, ResponseHeadersRead }

	public abstract class HttpContent
	: IDisposable
	public Stream ContentReadStream { get; }
	public HttpContentHeaders Headers { get; }
	public void CopyTo(Stream stream, TransportContext context);
	public void CopyTo(Stream stream);
	public Task CopyToAsync(Stream stream, TransportContext context);
	public Task CopyToAsync(Stream stream);
	protected virtual Stream CreateContentReadStream();
	protected virtual void Dispose(Boolean disposing);
	public virtual void Dispose();
	public void LoadIntoBuffer();
	public void LoadIntoBuffer(Int32 maxBufferSize);
	public Task LoadIntoBufferAsync();
	public Task LoadIntoBufferAsync(Int32 maxBufferSize);
	public Byte ReadAsByteArray();
	public String ReadAsString();
	protected abstract virtual void SerializeToStream(Stream stream, TransportContext context);
	protected abstract virtual Task SerializeToStreamAsync(Stream stream, TransportContext context);
	internal protected abstract virtual Boolean TryComputeLength(out Int64& length);

	public abstract class HttpMessageHandler
	: IDisposable
	protected virtual void Dispose(Boolean disposing);
	public virtual void Dispose();
	internal protected abstract virtual HttpResponseMessage Send(HttpRequestMessage request, CancellationToken cancellationToken);
	internal protected abstract virtual Task`1<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken);

	public class HttpMethod
	: IEquatable`1<HttpMethod>
	static public HttpMethod Delete { get; }
	static public HttpMethod Get { get; }
	static public HttpMethod Head { get; }
	public String Method { get; }
	static public HttpMethod Options { get; }
	static public HttpMethod Post { get; }
	static public HttpMethod Put { get; }
	static public HttpMethod Trace { get; }
	public virtual Boolean Equals(HttpMethod other);
	public virtual Boolean Equals(Object obj);
	public virtual Int32 GetHashCode();
	static public Boolean op_Equality(HttpMethod left, HttpMethod right);
	static public Boolean op_Inequality(HttpMethod left, HttpMethod right);
	public virtual String ToString();

	public class HttpRequestException
	: Exception, ISerializable, _Exception

	public class HttpRequestMessage
	: IDisposable
	public HttpContent Content { get; set; }
	public HttpRequestHeaders Headers { get; }
	public HttpMethod Method { get; set; }
	public IDictionary`2<String, Object> Properties { get; }
	public Uri RequestUri { get; set; }
	public Version Version { get; set; }
	protected virtual void Dispose(Boolean disposing);
	public virtual void Dispose();
	public virtual String ToString();

	public class HttpResponseMessage
	: IDisposable
	public HttpContent Content { get; set; }
	public HttpResponseHeaders Headers { get; }
	public Boolean IsSuccessStatusCode { get; }
	public String ReasonPhrase { get; set; }
	public HttpRequestMessage RequestMessage { get; set; }
	public HttpStatusCode StatusCode { get; set; }
	public Version Version { get; set; }
	protected virtual void Dispose(Boolean disposing);
	public virtual void Dispose();
	public HttpResponseMessage EnsureSuccessStatusCode();
	public virtual String ToString();

	public abstract class MessageProcessingHandler
	: DelegatingHandler, IDisposable
	protected abstract virtual HttpRequestMessage ProcessRequest(HttpRequestMessage request, CancellationToken cancellationToken);
	protected abstract virtual HttpResponseMessage ProcessResponse(HttpResponseMessage response, CancellationToken cancellationToken);
	internal protected virtual HttpResponseMessage Send(HttpRequestMessage request, CancellationToken cancellationToken);
	internal protected virtual Task`1<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken);

	public class MultipartContent
	: HttpContent, IDisposable, IEnumerable`1<HttpContent>, IEnumerable
	public virtual void Add(HttpContent content);
	public virtual IEnumerator`1<HttpContent> GetEnumerator();
	protected virtual void SerializeToStream(Stream stream, TransportContext context);
	protected virtual Task SerializeToStreamAsync(Stream stream, TransportContext context);
	internal protected virtual Boolean TryComputeLength(out Int64& length);

	public class MultipartFormDataContent
	: MultipartContent, IDisposable, IEnumerable`1<HttpContent>, IEnumerable
	public virtual void Add(HttpContent content);
	public void Add(HttpContent content, String name);
	public void Add(HttpContent content, String name, String fileName);

	public class StreamContent
	: HttpContent, IDisposable
	protected virtual Stream CreateContentReadStream();
	protected virtual void Dispose(Boolean disposing);
	protected virtual void SerializeToStream(Stream stream, TransportContext context);
	protected virtual Task SerializeToStreamAsync(Stream stream, TransportContext context);
	internal protected virtual Boolean TryComputeLength(out Int64& length);

	public class StringContent
	: ByteArrayContent, IDisposable