using System;
using System.Collections.Generic;
using System.Text;

namespace Rssdp
{
	/// <summary>
	/// Event arguments for the <see cref="SsdpDevice.DeviceAdded"/> and <see cref="SsdpDevice.DeviceRemoved"/> events.
	/// </summary>
	public sealed class DeviceEventArgs : EventArgs
	{

		#region Fields

		private readonly SsdpDevice _Device;

		#endregion

		#region Constructors

		/// <summary>
		/// Constructs a new instance for the specified <see cref="SsdpDevice"/>.
		/// </summary>
		/// <param name="device">The <see cref="SsdpDevice"/> associated with the event this argument class is being used for.</param>
		/// <exception cref="System.ArgumentNullException">Thrown if the <paramref name="device"/> argument is null.</exception>
		public DeviceEventArgs(SsdpDevice device)
		{
			if (device == null) throw new ArgumentNullException("device");

			_Device = device;
		}

		#endregion

		#region Public Properties

		/// <summary>
		/// Returns the <see cref="SsdpDevice"/> instance the event being raised for.
		/// </summary>
		public SsdpDevice Device
		{
			get { return _Device; }
		}

		#endregion

	}
}