/// <summary>
/// Constructor method.
/// </summary>
/// <param name="window"><see cref="MainWindow"/> instance where are placed GUI elements to be updated to show progress.</param>
/// <param name="url"></param>
/// <param name="oldPath">List of path that do not exists in the new update, because file have been mooved or deleted.</param>
/// <param name="newPath">List of new path</param>
/// <param name="handler">An instance of <see cref="UpdateHandler"/></param>
public UpdateDownloader(MainWindow window, string url, List <string> oldPath, List <string> newPath, UpdateHandler handler) : base(window, url)
{
this.oldPath = oldPath;
this.newPath = newPath;
this.handler = handler;
}