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HttpListenerRequest.ProtocolVersion Property

Gets the HTTP version used by the requesting client.

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

public Version ProtocolVersion { get; }
/** @property */
public Version get_ProtocolVersion ()

public function get ProtocolVersion () : Version

Not applicable.

Property Value

A Version that identifies the client's version of HTTP.

The capabilities of different HTTP versions are specified in the documents available at http://www.rfc-editor.org.

The following code example demonstrates using this property.

public static void ShowRequestProperties2 (HttpListenerRequest request)
{
    Console.WriteLine("KeepAlive: {0}", request.KeepAlive);
    Console.WriteLine("Local end point: {0}", request.LocalEndPoint.ToString());
    Console.WriteLine("Remote end point: {0}", request.RemoteEndPoint.ToString());
    Console.WriteLine("Is local? {0}", request.IsLocal);
    Console.WriteLine("HTTP method: {0}", request.HttpMethod);
    Console.WriteLine("Protocol version: {0}", request.ProtocolVersion);
    Console.WriteLine("Is authenticated: {0}", request.IsAuthenticated);
    Console.WriteLine("Is secure: {0}", request.IsSecureConnection);

}

public static void ShowRequestProperties2(HttpListenerRequest request)
{
    Console.WriteLine("KeepAlive: {0}", 
        System.Convert.ToString(request.get_KeepAlive()));
    Console.WriteLine("Local end point: {0}", 
        request.get_LocalEndPoint().ToString());
    Console.WriteLine("Remote end point: {0}", 
        request.get_RemoteEndPoint().ToString());
    Console.WriteLine("Is local? {0}", 
        System.Convert.ToString(request.get_IsLocal()));
    Console.WriteLine("HTTP method: {0}", 
        System.Convert.ToString(request.get_HttpMethod()));
    Console.WriteLine("Protocol version: {0}", 
        System.Convert.ToString(request.get_ProtocolVersion()));
    Console.WriteLine("Is authenticated: {0}", 
        System.Convert.ToString(request.get_IsAuthenticated()));
    Console.WriteLine("Is secure: {0}", 
        System.Convert.ToString(request.get_IsSecureConnection()));
} //ShowRequestProperties2

Windows 98, Windows Server 2003, Windows XP Media Center Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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