//===================================================================================
// Microsoft patterns & practices
// Composite Application Guidance for Windows Presentation Foundation and Silverlight
//===================================================================================
// Copyright (c) Microsoft Corporation. All rights reserved.
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY
// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE.
//===================================================================================
// The example companies, organizations, products, domain names,
// e-mail addresses, logos, people, places, and events depicted
// herein are fictitious. No association with any real company,
// organization, product, domain name, email address, logo, person,
// places, or events is intended or should be inferred.
//===================================================================================
using System;
namespace Microsoft.Practices.Composite.Modularity
{
/// <summary>
/// Defines a contract for the object used to download files asynchronously.
/// </summary>
public interface IFileDownloader
{
/// <summary>
/// Event triggered when the file download is complete.
/// </summary>
event EventHandler<DownloadCompletedEventArgs> DownloadCompleted;
/// <summary>
/// Starts downloading asynchronously a file from <paramref name="uri"/>.
/// </summary>
/// <param name="uri">The location of the file to be downloaded.</param>
/// <param name="userToken">Provides a user-specified identifier for the asynchronous task.</param>
void DownloadAsync(Uri uri, object userToken);
}
}