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public static extern int GetInterfaceInfo(Byte[] PIfTableBuffer, ref int size);

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The following C# sourcecode implements classes and structures with the purpose of making the use of GetInterfaceInfo and IpReleaseAddress easier. Thanks to Lieutenant (http://www.red-gate.com/MessageBoard/viewtopic.php?t=5754) for submitting this code.

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        public static extern int GetInterfaceInfo(Byte[] PIfTableBuffer, ref int size);

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        public static IP_INTERFACE_INFO GetInterfaceInfo()

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        int r = PInvokes.GetInterfaceInfo(null, ref size);

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        r = PInvokes.GetInterfaceInfo(buffer, ref size);

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            throw new Exception("GetInterfaceInfo returned an error.");

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        IP_INTERFACE_INFO info = GetInterfaceInfo();

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Documentation

[GetInterfaceInfo] on MSDN

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The following C# sourcecode implements classes and structures with the purpose of making the use of GetInterfaceInfo and IpReleaseAddress easier. Thanks to Lieutenant (http://www.red-gate.com/MessageBoard/viewtopic.php?t=5754) for submitting this code.

.

    public static extern int GetInterfaceInfo(Byte[] PIfTableBuffer, ref int size);

.

    public static IP_INTERFACE_INFO GetInterfaceInfo()

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    int r = PInvokes.GetInterfaceInfo(null, ref size);

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    r = PInvokes.GetInterfaceInfo(buffer, ref size);

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        throw new Exception("GetInterfaceInfo returned an error.");

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    IP_INTERFACE_INFO info = GetInterfaceInfo();