Скачивание нескольких файлов с отображением в ProgressBar

string[] files = new string[5];
            files[0] = "файл";
            files[1] = "файл2";
            files[2] = "файл3";
            files[3] = "файл4";
            files[4] = "файл5";
            WebClient cl = new WebClient();
            for (int i = 0; i < files.Length; i++)
            {
                string url = address + "/" + files[i];
                string save = path + files[i];
                cl.DownloadFile(url, save);                
            }

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();
        progressBar.Minimum = 0.0;
        progressBar.Maximum = 100.0;
    }
 
    private void Download(object sender, RoutedEventArgs e)
    {
        WebClient webClient = new WebClient();
        webClient.DownloadProgressChanged += DownloadProgressChanged;
        webClient.DownloadFileCompleted += DownloadFileCompleted;
        webClient.DownloadFileAsync(new Uri("http://marstefo.ru/Pictures_upload/Sol106.jpg"), System.IO.Path.Combine("D:\\", System.IO.Path.GetRandomFileName()));
    }
 
    private void DownloadFileCompleted(object sender, System.ComponentModel.AsyncCompletedEventArgs e)
    {
        progressBar.Value = 0.0;
    }
 
    private void DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
    {
        progressBar.Value = (double)e.ProgressPercentage;
    }
}

       private void buttonRefresh_Click(object sender, EventArgs e)
        {
            Program.ClearDir(Minecraft + "\\bin\\");
            Program.ClearDir(Minecraft + "\\bin\\natives\\");
            Program.ClearDir(Minecraft + "\\mods\\");
            Program.ClearDir(Minecraft + "\\config\\");
 
            WebClient webClient0 = new WebClient();
            WebClient webClient1= new WebClient();
            WebClient webClient2 = new WebClient();
            WebClient webClient3 = new WebClient();
            WebClient webClient4 = new WebClient();
            WebClient webClient5 = new WebClient();
 
            string files0 = "windows_natives.lzma";
            string files1 = "lwjgl.jar";
            string files2 = "jinput.jar";
            string files3 = "lwjgl_util.jar";
            string files4 = "minecraft.jar";
            string files5 = "client.zip";            
 
            Uri url0 = new Uri(Program.UrlClient + "/" + files0);
            Uri url1 = new Uri(Program.UrlClient + "/" + files1);
            Uri url2 = new Uri(Program.UrlClient + "/" + files2);
            Uri url3 = new Uri(Program.UrlClient + "/" + files3);
            Uri url4 = new Uri(Program.UrlClient + "/" + files4);
            Uri url5 = new Uri(Program.UrlClient + "/" + files5);
            
            string save0 = Minecraft + "\\bin\\" + files0;
            string save1 = Minecraft + "\\bin\\" + files1;
            string save2 = Minecraft + "\\bin\\" + files2;
            string save3 = Minecraft + "\\bin\\" + files3;
            string save4 = Minecraft + "\\bin\\" + files4;
            string save5 = Minecraft + "\\bin\\" + files5;
            
            webClient0.DownloadFileAsync(url0, save0);
            webClient0.DownloadProgressChanged += new System.Net.DownloadProgressChangedEventHandler(webClient_DownloadProgressChanged);
            webClient0.DownloadFileCompleted += new System.ComponentModel.AsyncCompletedEventHandler(webClient_DownloadFileCompleted);
 
            webClient1.DownloadFileAsync(url1, save1);
            webClient1.DownloadProgressChanged += new System.Net.DownloadProgressChangedEventHandler(webClient_DownloadProgressChanged);
            webClient1.DownloadFileCompleted += new System.ComponentModel.AsyncCompletedEventHandler(webClient_DownloadFileCompleted);
 
            webClient2.DownloadFileAsync(url2, save2);
            webClient2.DownloadProgressChanged += new System.Net.DownloadProgressChangedEventHandler(webClient_DownloadProgressChanged);
            webClient2.DownloadFileCompleted += new System.ComponentModel.AsyncCompletedEventHandler(webClient_DownloadFileCompleted);
 
            webClient3.DownloadFileAsync(url3, save3);
            webClient3.DownloadProgressChanged += new System.Net.DownloadProgressChangedEventHandler(webClient_DownloadProgressChanged);
            webClient3.DownloadFileCompleted += new System.ComponentModel.AsyncCompletedEventHandler(webClient_DownloadFileCompleted);
 
            webClient4.DownloadFileAsync(url4, save4);
            webClient4.DownloadProgressChanged += new System.Net.DownloadProgressChangedEventHandler(webClient_DownloadProgressChanged);
            webClient4.DownloadFileCompleted += new System.ComponentModel.AsyncCompletedEventHandler(webClient_DownloadFileCompleted);
 
            webClient5.DownloadFileAsync(url5, save5);
            webClient5.DownloadProgressChanged += new System.Net.DownloadProgressChangedEventHandler(webClient_DownloadProgressChanged);
            webClient5.DownloadFileCompleted += new System.ComponentModel.AsyncCompletedEventHandler(webClient_DownloadFileCompleted);
 
            using (ZipFile zip = new ZipFile(Minecraft + "\\bin\\" + files0))
            {
                zip.ExtractAll(Minecraft + "\\bin\\natives\\");
            }
            File.Delete(Minecraft + "\\bin\\" + files0);
        }
 
        void webClient_DownloadProgressChanged(object sender, System.Net.DownloadProgressChangedEventArgs e)
        {
            labelInfo.Text = String.Format("Загружено: {0} Кбайт / {1} Кбайт", e.BytesReceived / 1024, e.TotalBytesToReceive / 1024);
            progressBar1.Value = e.ProgressPercentage;
        }