HttpListener.IsListening Property


Gets a value that indicates whether HttpListener has been started.

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

member IsListening : bool with get

Property Value

Type: System.Boolean

true if the HttpListener was started; otherwise, false.

To start an HttpListener, call the Start method.

The following code example demonstrates using this property to determine the listening state of an instance.

public static void DisplayPrefixesAndState(HttpListener listener)
    // List the prefixes to which the server listens.
    HttpListenerPrefixCollection prefixes = listener.Prefixes;
    if (prefixes.Count == 0)
        Console.WriteLine("There are no prefixes.");
    foreach(string prefix in prefixes)
    // Show the listening state.
    if (listener.IsListening)
        Console.WriteLine("The server is listening.");

.NET Framework
Available since 2.0
Return to top