HttpClientHandler Class

Article
04/24/2014

A base class for HTTP handler implementations.

Inheritance Hierarchy

System.Object
System.Net.Http.HttpMessageHandler
System.Net.Http.HttpClientHandler

Namespace: System.Net.Http
Assembly: System.Net.Http (in System.Net.Http.dll)

Syntax

'Declaration
Public Class HttpClientHandler _
    Inherits HttpMessageHandler
'Usage
Dim instance As HttpClientHandler

public class HttpClientHandler : HttpMessageHandler

public ref class HttpClientHandler : public HttpMessageHandler

type HttpClientHandler =  
    class 
        inherit HttpMessageHandler 
    end

public class HttpClientHandler extends HttpMessageHandler

The HttpClientHandler type exposes the following members.

Constructors

	Name	Description
	HttpClientHandler	Creates an instance of a HttpClientHandler class.

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Properties

	Name	Description
	AllowAutoRedirect	Gets or sets a value that indicates whether the handler should follow redirection responses.
	AutomaticDecompression	Gets or sets the type of decompression method used by the handler for automatic decompression of the HTTP content response.
	ClientCertificateOptions	Gets or sets how the client certificates are provided.
	CookieContainer	Gets or sets the cookie container used to store server cookies by the handler.
	Credentials	Gets or sets authentication information used by this handler.
	MaxAutomaticRedirections	Gets or sets the maximum number of redirects that the handler follows.
	MaxRequestContentBufferSize	Gets or sets the maximum request content buffer size used by the handler.
	PreAuthenticate	Gets or sets a value that indicates whether the handler sends an Authorization header with the request.
	Proxy	Gets or sets proxy information used by the handler.
	SupportsAutomaticDecompression	Gets a value that indicates whether the handler supports automatic response content decompression.
	SupportsProxy	Gets a value that indicates whether the handler supports proxy settings.
	SupportsRedirectConfiguration	Gets a value that indicates whether the handler supports configuration settings for the AllowAutoRedirect and MaxAutomaticRedirections properties.
	UseCookies	Gets or sets a value that indicates whether the handler uses the CookieContainer property to store server cookies and uses these cookies when sending requests.
	UseDefaultCredentials	Gets or sets a value that controls whether default credentials are sent with requests by the handler.
	UseProxy	Gets or sets a value that indicates whether the handler uses a proxy for requests.

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Methods

	Name	Description
	Dispose()	Releases the unmanaged resources and disposes of the managed resources used by the HttpMessageHandler. (Inherited from HttpMessageHandler.)
	Dispose(Boolean)	Releases the unmanaged resources used by the HttpClientHandler and optionally disposes of the managed resources. (Overrides HttpMessageHandler.Dispose(Boolean).)
	Equals	(Inherited from Object.)
	Finalize	(Inherited from Object.)
	GetHashCode	(Inherited from Object.)
	GetType	(Inherited from Object.)
	MemberwiseClone	(Inherited from Object.)
	SendAsync	Sends an HTTP request with a cancellation token as an asynchronous operation. (Overrides HttpMessageHandler.SendAsync(HttpRequestMessage, CancellationToken).)
	ToString	(Inherited from Object.)

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Extension Methods

	Name	Description
	SupportsAllowAutoRedirect	Determines whether the HTTP client handler supports following redirection responses. (Defined by HttpClientHandlerExtensions.)
	SupportsPreAuthenticate	Determines whether the HTTP client handler supports sending an authorization header with the request. (Defined by HttpClientHandlerExtensions.)
	SupportsProtocolVersion	Determines whether the HTTP client handler supports protocol version with the request. (Defined by HttpClientHandlerExtensions.)
	SupportsTransferEncodingChunked	Determines whether the HTTP client handler supports transfer encoding chunked. (Defined by HttpClientHandlerExtensions.)
	SupportsUseProxy	Determines whether the HTTP client handler supports using a proxy for the request. (Defined by HttpClientHandlerExtensions.)

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Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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