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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
'Usage
Dim instance As HttpListener
Dim value As Boolean

value = instance.IgnoreWriteExceptions

instance.IgnoreWriteExceptions = value
/** @property */
public boolean get_IgnoreWriteExceptions ()

/** @property */
public void set_IgnoreWriteExceptions (boolean value)

public function get IgnoreWriteExceptions () : boolean

public function set IgnoreWriteExceptions (value : boolean)

Not applicable.

Property Value

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

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 static void SimpleListenerWithUnsafeAuthentication(string[] prefixes)
{
    // URI prefixes are required,
    // for example "http://contoso.com:8080/index/".
    if (prefixes == null || prefixes.Length == 0)
      throw new ArgumentException("prefixes");
    // Set up a listener.
    HttpListener listener = new HttpListener();
    foreach (string s in prefixes)
    {
        listener.Prefixes.Add(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();
}

public static void SimpleListenerWithUnsafeAuthentication(String prefixes[])
{
    // URI prefixes are required,
    // for example "http://contoso.com:8080/index/".
    if (prefixes == null || prefixes.get_Length() == 0) {
        throw new ArgumentException("prefixes");
    }
    // Set up a listener.
    HttpListener listener = new HttpListener();
    for (int iCtr = 0; iCtr < prefixes.get_Length(); iCtr++) {
        String s = prefixes[iCtr];
        listener.get_Prefixes().Add(s);
    }
    listener.Start();
    // Specify Negotiate as the authentication scheme.
    listener.set_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.set_UnsafeConnectionNtlmAuthentication(true);
    // This listener does not want to recieve exceptions 
    // that occur when sending the response to the client.
    listener.set_IgnoreWriteExceptions(true);
    Console.WriteLine("Listening...");
    // ... process requests here.
    listener.Close();
} //SimpleListenerWithUnsafeAuthentication

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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