Windows 7 new features: Step by step in VB.NET and C#

//Copyright (c) Microsoft Corporation.  All rights reserved.

using System;
using System.Collections;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;

namespace Microsoft.WindowsAPICodePack.Net
{
    /// <summary>
    /// Represents a connection to a network.
    /// </summary>
    /// <remarks> A collection containing instances of this class is obtained by calling
    /// the <see cref="P:Microsoft.WindowsAPICodePack.Net.Network.Connections"/> property.</remarks>
    public class NetworkConnection
    {
        #region Private Fields

        INetworkConnection networkConnection;

        #endregion // Private Fields

        internal NetworkConnection(INetworkConnection networkConnection)
        {
            this.networkConnection = networkConnection;
        }

        /// <summary>
        /// Retrieves an object that represents the network 
        /// associated with this connection.
        /// </summary>
        /// <returns>A <see cref="Network"/> object.</returns>
        public Network Network
        {
            get
            {
                return new Network(networkConnection.GetNetwork());
            }
        }

        /// <summary>
        /// Gets the adapter identifier for this connection.
        /// </summary>
        /// <value>A <see cref="System.Guid"/> object.</value>
        public Guid AdapterId
        {
            get
            {
                return networkConnection.GetAdapterId();
            }
        }
        /// <summary>
        /// Gets the unique identifier for this connection.
        /// </summary>
        /// <value>A <see cref="System.Guid"/> object.</value>
        public Guid ConnectionId
        {
            get
            {
                return networkConnection.GetConnectionId();
            }
        }
        /// <summary>
        /// Gets a value that indicates the connectivity of this connection.
        /// </summary>
        /// <value>A <see cref="Connectivity"/> value.</value>
        public Connectivity Connectivity
        {
            get
            {
                return networkConnection.GetConnectivity();
            }
        }

        /// <summary>
        /// Gets a value that indicates whether the network associated
        /// with this connection is 
        /// an Active Directory network and whether the machine
        /// has been authenticated by Active Directory.
        /// </summary>
        /// <value>A <see cref="DomainType"/> value.</value>
        public DomainType DomainType
        {
            get
            {
                return networkConnection.GetDomainType();
            }
        }
        /// <summary>
        /// Gets a value that indicates whether this 
        /// connection has Internet access.
        /// </summary>
        /// <value>A <see cref="System.Boolean"/> value.</value>
        public bool IsConnectedToInternet
        {
            get
            {
                return networkConnection.IsConnectedToInternet;
            }
        }

        /// <summary>
        /// Gets a value that indicates whether this connection has
        /// network connectivity.
        /// </summary>
        /// <value>A <see cref="System.Boolean"/> value.</value>
        public bool IsConnected
        {
            get
            {
                return networkConnection.IsConnected;
            }
        }
    }
}