See https://ithoughthecamewithyou.com/post/scanning-from-the-adf-using-wia-in-c#ff6ae1ed9d44439c965cd27d8bd23ac4

Properties.cs

private void SetDeviceIntProperty(ref Device device, int propertyID, int propertyValue)
{
  foreach (Property p in device.Properties)
  {
    if (p.PropertyID == propertyID)
    {
      object value = propertyValue;
      p.set_Value(ref value);
      break;
    }
  }
}

private int GetDeviceIntProperty(ref Device device, int propertyID)
{
  int ret = -1;

  foreach (Property p in device.Properties)
  {
    if (p.PropertyID == propertyID)
    {
      ret = (int)p.get_Value();
      break;
    }
  }

  return ret;
}

private void SetItemIntProperty(ref Item item, int propertyID, int propertyValue)
{
  foreach (Property p in item.Properties)
  {
    if (p.PropertyID == propertyID)
    {
      object value = propertyValue;
      p.set_Value(ref value);
      break;
    }
  }
}

private int GetItemIntProperty(ref Item item, int propertyID)
{
  int ret = -1;

  foreach (Property p in item.Properties)
  {
    if (p.PropertyID == propertyID)
    {
      ret = (int)p.get_Value();
      break;
    }
  }

  return ret;
}