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TcpListener.Active Property

Gets a value that indicates whether TcpListener is actively listening for client connections.

Namespace:  System.Net.Sockets
Assembly:  System (in System.dll)
protected bool Active { get; }

Property Value

Type: System.Boolean
true if TcpListener is actively listening; otherwise, false.

Classes deriving from TcpListener can use this property to determine if the Socket is currently listening for incoming connection attempts. The Active property can be used to avoid redundant Start attempts.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC

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

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0
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