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HttpWebRequest::ProtocolVersion Property
Visual Studio 2010
Gets or sets the version of HTTP to use for the request.
Assembly: System (in System.dll)
Property Value
Type: System::VersionThe HTTP version to use for the request. The default is HttpVersion::Version11.
| Exception | Condition |
|---|---|
| ArgumentException | The HTTP version is set to a value other than 1.0 or 1.1. |
The HttpWebRequest class supports only versions 1.0 and 1.1 of HTTP. Setting ProtocolVersion to a different version throws an exception.
Note |
|---|
To set the HTTP version of the current request, use the Version10 and Version11 fields of the HttpVersion class. |
The following code example sets the ProtocolVersion Property.
// Create a new 'HttpWebRequest' Object to the mentioned URL. HttpWebRequest^ myHttpWebRequest = (HttpWebRequest^)( WebRequest::Create( "http://www.microsoft.com" ) ); // Use the existing 'ProtocolVersion' , and display it onto the console. Console::WriteLine( "\nThe 'ProtocolVersion' of the protocol used is {0}", myHttpWebRequest->ProtocolVersion ); // Set the 'ProtocolVersion' property of the 'HttpWebRequest' to 'Version1::0' . myHttpWebRequest->ProtocolVersion = HttpVersion::Version10; // Assign the response object of 'HttpWebRequest' to a 'HttpWebResponse' variable. HttpWebResponse^ myHttpWebResponse = (HttpWebResponse^)( myHttpWebRequest->GetResponse() ); Console::WriteLine( "\nThe 'ProtocolVersion' of the protocol changed to {0}", myHttpWebRequest->ProtocolVersion ); Console::WriteLine( "\nThe protocol version of the response Object* is {0}", myHttpWebResponse->ProtocolVersion );
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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