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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Rssdp
{
/// <summary>
/// Event arguments for the <see cref="Rssdp.Infrastructure.SsdpDeviceLocatorBase.DeviceAvailable"/> event.
/// </summary>
public sealed class DeviceAvailableEventArgs : EventArgs
{
#region Fields
private readonly DiscoveredSsdpDevice _DiscoveredDevice;
private readonly bool _IsNewlyDiscovered;
#endregion
#region Constructors
/// <summary>
/// Full constructor.
/// </summary>
/// <param name="discoveredDevice">A <see cref="DiscoveredSsdpDevice"/> instance representing the available device.</param>
/// <param name="isNewlyDiscovered">A boolean value indicating whether or not this device came from the cache. See <see cref="IsNewlyDiscovered"/> for more detail.</param>
/// <exception cref="System.ArgumentNullException">Thrown if the <paramref name="discoveredDevice"/> parameter is null.</exception>
public DeviceAvailableEventArgs(DiscoveredSsdpDevice discoveredDevice, bool isNewlyDiscovered)
{
if (discoveredDevice == null) throw new ArgumentNullException("discoveredDevice");
_DiscoveredDevice = discoveredDevice;
_IsNewlyDiscovered = isNewlyDiscovered;
}
#endregion
#region Public Properties
/// <summary>
/// Returns true if the device was discovered due to an alive notification, or a search and was not already in the cache. Returns false if the item came from the cache but matched the current search request.
/// </summary>
public bool IsNewlyDiscovered
{
get { return _IsNewlyDiscovered; }
}
/// <summary>
/// A reference to a <see cref="Rssdp.DiscoveredSsdpDevice"/> instance containing the discovered details and allowing access to the full device description.
/// </summary>
public DiscoveredSsdpDevice DiscoveredDevice
{
get { return _DiscoveredDevice; }
}
#endregion
}
}
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