void Worker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
if (e.Cancelled)
{
dlg.DialogResult = DialogResult.Cancel;
}
else if (e.Error != null)
{
lastException = e.Error;
dlg.DialogResult = DialogResult.Cancel;
}
else
{
dlg.DialogResult = DialogResult.OK;
}
dlg.Close();
}
