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HttpListener.IsListening Property

.NET Framework 4.5

Gets a value that indicates whether HttpListener has been started.

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

public bool IsListening { get; }

Property Value

Type: System.Boolean
true if the HttpListener was started; otherwise, false.

Remarks

To start an HttpListener, call the Start method.

Examples

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)
    {
        Console.WriteLine(prefix);
    }
    // Show the listening state. 
    if (listener.IsListening)
    {
        Console.WriteLine("The server is listening.");
    }
}

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

HttpListener Class

System.Net Namespace

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