private async void btnStart_Click(object sender, EventArgs e)
{
DisableControls();
SETTINGS.UseGoogleVision = checkGoogle.Checked;
SetLang(comboBox1.SelectedItem.ToString());
//prepare service
_service = new ThreadService(_filesToProcess);
await _service.StartService();
_previewObjects = _service.Preview;
btnStart.Enabled = true;
btnStart.Enabled = true;
comboBox1.Enabled = true;
button1.Enabled = true;
btnGenerate.Enabled = true;
}
