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IPAddress.None Field

Provides an IP address that indicates that no network interface should be used. This field is read-only.

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

public static readonly IPAddress None

The Socket.Bind method uses the None field to indicate that a Socket must not listen for client activity. The None field is equivalent to 255.255.255.255 in dotted-quad notation.

The following example uses the None property to indicate that no network interface should be used.

public static void Main()
{
   // Gets the IP address indicating that no network interface should be used  
   // and converts it to a string. 
   string address = IPAddress.None.ToString();
   Console.WriteLine("IP address : " + address);
}

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, 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.

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