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HttpListener.Prefixes Property

Gets the Uniform Resource Identifier (URI) prefixes handled by this HttpListener object.

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

'Declaration
Public ReadOnly Property Prefixes As HttpListenerPrefixCollection

Property Value

Type: System.Net.HttpListenerPrefixCollection
An HttpListenerPrefixCollection that contains the URI prefixes that this HttpListener object is configured to handle.

ExceptionCondition
ObjectDisposedException

This object has been closed.

The prefixes are in canonical form. For a detailed description of prefixes, see the HttpListener class overview.

The following code example demonstrates using the Prefixes property to obtain and print the URI prefixes that are handled.


Public Shared Sub DisplayPrefixesAndState(ByVal listener As HttpListener)
    ' List the prefixes to which the server listens.
    Dim prefixes As HttpListenerPrefixCollection = listener.Prefixes
    If prefixes.Count = 0 Then
        Console.WriteLine("There are no prefixes.")
    End If
    For Each prefix As String In prefixes
        Console.WriteLine(prefix)
    Next prefix
    ' Show the listening state.
    If listener.IsListening Then
        Console.WriteLine("The server is listening.")
    End If
End Sub


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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