TwainSession Constructor

using Leadtools; 
using Leadtools.Twain; 
 
 
TwainSession acq_session; 
private void twain_AcquirePage(object sender, TwainAcquirePageEventArgs e) 
{ 
   // get acquired image here 
 
   // call StopFeeder method here if you need to stop the feeder 
   acq_session.StopFeeder(); 
} 
 
public void AcquireExample(IntPtr parent) 
{ 
   acq_session = new TwainSession(); 
   acq_session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None); 
 
   acq_session.SelectSource(String.Empty); 
 
   TwainProperties props = acq_session.Properties; 
   TwainDataTransferProperties dataProps = props.DataTransfer; 
   dataProps.FileName = Path.Combine(LEAD_VARS.ImagesDir, "twain.bmp"); 
   dataProps.MemoryBufferSize = dataProps.MemoryBufferSize * 2; 
   props.DataTransfer = dataProps; 
   acq_session.Properties = props; 
   TwainTransferOptions opts = acq_session.TransferOptions; 
 
   acq_session.AcquirePage += new EventHandler<TwainAcquirePageEventArgs>(twain_AcquirePage); 
 
   if (acq_session.Acquire(TwainUserInterfaceFlags.Show) != DialogResult.OK) 
      MessageBox.Show("Error Acquiring From Source"); 
 
   acq_session.Shutdown(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
}