void BgWorker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
if (!e.Cancelled && Configs.PlaySounds)
System.Media.SystemSounds.Exclamation.Play();
progressBar.Style = ProgressBarStyle.Blocks;
isImporting = false;
btnImport.Text = Language.T("Import");
Cursor = Cursors.Default;
return;
}