[DllImport("iphlpapi.dll", EntryPoint = "PfTestPacket")]

    public static extern UInt32 PfTestPacket(IntPtr pInInterface, IntPtr pOutInterface, uint cBytes, IntPtr pbPacket, ref PFFORWARD_ACTION ppAction);

Declare Function PfTestPacket Lib "iphlpapi.dll" (TODO) As TODO

    /// The PfTestPacket function tests the specified packet and returns the action that would be performed given the specified interface.