private void loadWIA()
 {
     currentDeviceID = ScanSettings.DeviceID;
     CWIAAPI api;
     try
     {
         api = new CWIAAPI(ScanSettings.DeviceID);
     }
     catch (Exceptions.EScannerNotFound)
     {
         MessageBox.Show("Device not found.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
         ScanSettings.DeviceID = "";
         currentDeviceID = "";
         txtDevice.Text = "";
         return;
     }
     txtDevice.Text = api.DeviceName;
 }
 private void chooseWIA()
 {
     string devID;
     try
     {
         devID = CWIAAPI.SelectDeviceUI();
     }
     catch (Exceptions.ENoScannerFound)
     {
         MessageBox.Show("No device found.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
         return;
     }
     CWIAAPI api = new CWIAAPI(devID);
     txtDevice.Text = api.DeviceName;
     currentDeviceID = devID;
 }