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IPAddress.Loopback Field

Provides the IP loopback address. This field is read-only.

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

public static readonly IPAddress Loopback
public static final IPAddress Loopback
public static final var Loopback : IPAddress
Not applicable.

The Loopback field is equivalent to 127.0.0.1 in dotted-quad notation.

The following example prints the Loopback address to the console.

public void PrintLoopbackAddress()
{
  // Gets the IP loopback address and converts it to a string.
  String IpAddressString = IPAddress.Loopback.ToString();
  Console.WriteLine("Loopback IP address : " + IpAddressString);
}

public void PrintLoopbackAddress()
{
    // Gets the IP loopback address and converts it to a string.
    String ipAddressString = IPAddress.Loopback.ToString();

    Console.WriteLine("Loopback IP address : " + ipAddressString);
} //PrintLoopbackAddress

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

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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