Вывод процесса загрузки файла из интернета на консоль

WebClient wc = new WebClient();
wc.Proxy = null;
wc.DownloadFile("http://.....", "file.mp4");

var wc = new WebClient();
 
wc.DownloadProgressChanged += (sender, args) => 
  Console.WriteLine (args.ProgressPercentage + "% complete");
 
Task.Delay (5000).ContinueWith (ant => wc.CancelAsync());
  
await wc.DownloadFileTaskAsync ("http://.....", "file.mp4");

WebClient http = new WebClient();
int currentProgress = -1;
http.DownloadProgressChanged += (sender, args) => {
    if (currentProgress != args.ProgressPercentage) {
        Console.WriteLine(args.ProgressPercentage + "% complete");
        currentProgress = args.ProgressPercentage;
    }        
};
await http.DownloadFileTaskAsync("http://.....", "file.mp4");

static void Main(string[] args)
{
    Main().Wait();
    Console.WriteLine("Done");
}
static async Task Main()
{
    WebClient http = new WebClient();
    int currentProgress = -1;
    http.DownloadProgressChanged += (sender, e) =>
    {
        if (currentProgress != e.ProgressPercentage)
        {
            Console.WriteLine(e.ProgressPercentage + "% complete");
            currentProgress = e.ProgressPercentage;
        }
    };
    Console.Write("Downloading ... ");
    await http.DownloadFileTaskAsync("http://video.ch9.ms/ch9/92c6/15fdfbaa-2f86-490e-9f3e-6f8e5c8192c6/20150529TWC9_mid.mp4", @"d:\20150529TWC9_mid.mp4");
}

static readonly object sync = new object();
static readonly ConsoleColor[] Gradient = 
{
    ConsoleColor.Red,
    ConsoleColor.DarkYellow,
    ConsoleColor.Yellow,
    ConsoleColor.DarkGreen,
    ConsoleColor.Green
};
 
static readonly string[] Suffixes = 
{
    "B",
    "KB",
    "MB",
    "TB"
};
 
static void Main(string[] args)
{
    var http = new WebClient();
    http.DownloadProgressChanged += ProgressCallback;
    http.DownloadFileCompleted += CompletedCallback;
 
    Console.CursorVisible = false;
    Console.WriteLine("Downloading ... ");
    http.DownloadFileTaskAsync("http://video.ch9.ms/ch9/92c6/15fdfbaa-2f86-490e-9f3e-6f8e5c8192c6/20150529TWC9_mid.mp4", @"d:\20150529TWC9_mid.mp4").Wait();
 
    Console.ReadLine();
}
 
private static void CompletedCallback(object sender, AsyncCompletedEventArgs e)
{
    Console.SetCursorPosition(0, Console.CursorTop + 1);
    Console.ResetColor();
    Console.WriteLine("Done!");
}
 
private static void ProgressCallback(object sender, DownloadProgressChangedEventArgs e)
{
    var color = Gradient[(int)(e.ProgressPercentage / 100.0 * (Gradient.Length - 1))];
    var progress = string.Format("|{0,-30}| {1,3}% {2,9} / {3,-9}",
        new string((char)0x2592, e.ProgressPercentage * 30 / 100),
        e.ProgressPercentage,
        FormatSize(e.BytesReceived),
        FormatSize(e.TotalBytesToReceive));
 
    lock (sync)
    {
        Console.SetCursorPosition(0, 1);
        Console.ForegroundColor = color;
        Console.Write(progress);
    }
}
 
static string FormatSize(double size)
{
    int grade = (int)Math.Log(size, 1024);
    grade = Math.Min(grade, Suffixes.Length);
 
    return string.Format("{0:N2}{1}", size / Math.Pow(1024, grade), Suffixes[grade]);
}