IgnoreWriteExceptions Property

HttpListener.IgnoreWriteExceptions Property

Gets or sets a Boolean value that specifies whether your application receives exceptions that occur when an HttpListener sends the response to the client.

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

'Declaration
Public Property IgnoreWriteExceptions As Boolean

Property Value

Type: System.Boolean
true if this HttpListener should not return exceptions that occur when sending the response to the client; otherwise false. The default value is false.

ExceptionCondition
ObjectDisposedException

This object has been closed.

Set this property to true if your application does not require that a response is successfully sent to each client.

The following code example demonstrates setting this property.


Public Shared Sub SimpleListenerWithUnsafeAuthentication(ByVal prefixes() As String)
    ' URI prefixes are required,
    ' for example "http://contoso.com:8080/index/".
    If prefixes Is Nothing OrElse prefixes.Length = 0 Then
        Throw New ArgumentException("prefixes")
    End If
    ' Set up a listener.
    Dim listener As New HttpListener()
    For Each s As String In prefixes
        listener.Prefixes.Add(s)
    Next s
    listener.Start()
    ' Specify Negotiate as the authentication scheme.
    listener.AuthenticationSchemes = AuthenticationSchemes.Negotiate
    ' If NTLM is used, we will allow multiple requests on the same
    ' connection to use the authentication information of first request.
    ' This improves performance but does reduce the security of your 
    ' application. 
    listener.UnsafeConnectionNtlmAuthentication = True
    ' This listener does not want to receive exceptions 
    ' that occur when sending the response to the client.
    listener.IgnoreWriteExceptions = True
    Console.WriteLine("Listening...")
    ' ... process requests here.

    listener.Close()
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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