void data_DeleteProgressChanged(object sender, ProgressChangedEventArgs e)
{
if (!(e.ProgressPercentage > 100 || e.ProgressPercentage < 0))
dataGridViewProgressBar.Value = e.ProgressPercentage;
if ((e.ProgressPercentage % 10) == 0)
StatusLabel.Text = "Deleting torrents " + 10 * (e.ProgressPercentage / 10) + "%";
else
StatusLabel.Text += ".";
}