public class MySinkProviderData : IServerChannelSinkProvider
{
    private IServerChannelSinkProvider myIServerChannelSinkProviderNew;

    private bool myAcceptMode = true;
    private ICollection myCollectionData = null;

    public MySinkProviderData()
    {
    }

    public MySinkProviderData(IDictionary properties, ICollection providerData)
    {
        String myMode = (String)properties["mode"];
        if (String.Compare(myMode, "accept", true) == 0)
            myAcceptMode = true;
        else
            if (String.Compare(myMode, "reject", true) == 0)
            myAcceptMode = false;
        myCollectionData = providerData;
    }

    [SecurityPermission(SecurityAction.Demand, Flags = SecurityPermissionFlag.Infrastructure)]
    public void GetChannelData(IChannelDataStore myLocalChannelData)
    {
    }
    [SecurityPermission(SecurityAction.Demand, Flags = SecurityPermissionFlag.Infrastructure)]
    public IServerChannelSink CreateSink(IChannelReceiver myChannel)
    {
        IServerChannelSink myIServerChannelSink_nextSink = null;
        if (myIServerChannelSinkProviderNew != null)
            myIServerChannelSink_nextSink = myIServerChannelSinkProviderNew.CreateSink(myChannel);
        MyIPFilterChannelSink mySink = new MyIPFilterChannelSink(myAcceptMode,
            myIServerChannelSink_nextSink);
        // Create and initialize a new ArrayList.
        ArrayList myArrayList = new ArrayList();

        // Add filters.
        foreach (SinkProviderData mySinkData in myCollectionData)
        {
            // The SinkProviderData properties are added to the ArrayList.
            myArrayList.Add(mySinkData.Children);
            myArrayList.Add(mySinkData.Name);

            String myMaskString = (String)mySinkData.Properties["mask"];
            String myIPString = (String)mySinkData.Properties["ip"];
            String myMachineString = (String)mySinkData.Properties["machine"];

            IPAddress mask = null;
            IPAddress ip = null;

            if (myIPString != null)
            {
                mask = IPAddress.Parse(myMaskString);
                ip = IPAddress.Parse(myIPString);
            }
            else
            {
                mask = IPAddress.Parse("255.255.255.255");
                ip = Dns.Resolve(myMachineString).AddressList[0];
            }

            mySink.AddFilter(mask, ip);
        }
        Console.WriteLine("The Count of the ArrayList is  :"+ myArrayList.Count);
        Console.WriteLine("The values in the SinkProviderData collection are:");

        // Call the PrintValues function to enumerate and print values to the console.
        PrintValues( myArrayList );

        return mySink;
    }

    public IServerChannelSinkProvider Next
    {
        [SecurityPermission(SecurityAction.Demand, Flags = SecurityPermissionFlag.Infrastructure)]
        get
        {
            return myIServerChannelSinkProviderNew;
        }
        [SecurityPermission(SecurityAction.Demand, Flags = SecurityPermissionFlag.Infrastructure)]
        set
        {
            myIServerChannelSinkProviderNew = value;
        }
    }

    public FilterMode Mode
    {
        get
        {
            return (myAcceptMode ? FilterMode.Accept : FilterMode.Reject);
        }
        set
        {
            myAcceptMode = (value == FilterMode.Accept);
        }
    }

    public static void PrintValues( IEnumerable myList )
    {
        IEnumerator myEnumerator = myList.GetEnumerator();
        while ( myEnumerator.MoveNext() )
            Console.Write( "\t{0}", myEnumerator.Current );
        Console.WriteLine();
    }
} // class MySinkProviderData