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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);
}
int 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(S"IP address : {0}", address);
}

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, 1.0

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