private void cmdOk_Click(object sender, EventArgs e) { noteCount = 0; pbProgreso.Minimum = 0; pbProgreso.Value = 0; cmdOk.Enabled = false; cmdCancel.Enabled = false; pbProgreso.Maximum = getNoteCount(); string filePath = txtFilePath.Text; WorkerThread t = new WorkerThread() { FileName = filePath, NumRepeats = ApplicationState.Instance.CurrentSong.Looped ? (int)numRepeats.Value : 1, Parent = this }; t.Export(); }