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private List<string> urls = new List<string>();
private int urls_index = -1;
private ProgressBar pb = new ProgressBar()
{
Width = 291,
Height = 26,
Maximum = 100,
Minimum = 0,
Location = new Point(12, 41)
};
public Object SyncIndex = new Object();
public void DownLoad(object index)
{
int indexwhile = (int) index;
while (work)
{
int localIndex;
lock (SyncIndex)
{
urls_index++;
localIndex = urls_index;
}
WebClient webClient = new WebClient();
try
{
webClient.DownloadFile(new Uri(urls[localIndex]), "img/" + localIndex + ".jpg");
webClient.DownloadProgressChanged += (s, a) => Invoke(new Action(() => {progressBars[indexwhile].Value = a.ProgressPercentage;}));
}
catch (Exception exception)
{
Invoke(new Action(() =>
{
listBox2.Items.Add("Ошибка" + listBox1.Items[localIndex]);
}));
DownLoad(index);
}
Invoke(new Action(() =>
{
listBox1.Items[localIndex] = "Загружен" + listBox1.Items[localIndex];
label1.Text = urls.Count.ToString();
richTextBox1.Text += localIndex + @".jpg Загружен" + Environment.NewLine;
}));
Thread.Sleep(500);
}
}
private void button2_Click(object sender, EventArgs e)
{
work = true;
Thread[] threads = new Thread[30];
for (int i = 0; i < 20; i++)
{
int mnoj = i + 1;
progressBars[i] = new ProgressBar()
{
Width = 291,
Height = 26,
Maximum = 100,
Minimum = 0,
Location = new Point(12, 41)
};
progressBars[i].Location = new Point(12, 41 * mnoj);
Controls.Add(progressBars[i]);
threads[i] = new Thread(DownLoad);
threads[i].IsBackground = true;
threads[i].Start(i);
}
}
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