i want to change ICapOrientation. but it works only firt time. I need hepl

[hubankonglongwangyu]

private void cAcquire()
{

 if (_twain.State == 4)
 {

_twain.CurrentSource.Capabilities.ICapOrientation.SetValue(OrientationType.Portrait);
}
}
I change it（OrientationType） and when my first scan, it works. But the next time I scan, it still doesn't work. give me a little help？

[soukoku]

If it's getting reset after a single transfer then maybe set it again during one of the transfer events.