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IPAddress.IPv6None Field

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

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

public static readonly IPAddress IPv6None

The Socket.Bind method uses the IPv6None field to indicate that a Socket must not listen for client activity. The IPv6None field is equivalent to 0:0:0:0:0:0:0:0 in colon-hexadecimal notation, or to ::0 in compact notation.

The following code example displays the value of the current host's None address in standard compressed format.


// This method displays the value of the current host's None address in  
// standard compressed format. The None address is used by the host to disable
// listening to client activities on all the interfaces.
private static void displayIPv6NoneAddress()
{
  try
  {

    // Get the None address.
    IPAddress none  = IPAddress.IPv6None;

    // Transform the None address to a string using the overloaded
    // ToString() method. Note that the resulting string is in the compact 
    // form: "::".
    string ipv6None = none.ToString();

    Console.WriteLine("The IPv6 None address is: " + ipv6None);
  }
  catch (Exception e) 
  {
    Console.WriteLine("[displayIPv6NoneAddress] Exception: " + e.ToString());
  }
}


.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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