private void ScannerLab1_Load(object sender, EventArgs e)
{
explorer = new PosExplorer();
scannerList1 = explorer.GetDevices();
bsDevices.DataSource = scannerList1;
cboDevices.DisplayMember = scannerList1.ToString();
scannerList = explorer.GetDevices(DeviceType.Scanner);
devicesBindingSource.DataSource = scannerList;
cboDevices.DisplayMember = scannerList.ToString();
}