public bool EnableFastConfigurationEvent { get; set; }
true to enable the event, false to disable it.
For more information, refer to Fast TWAIN (Scan Configurations).
using Leadtools;using Leadtools.Twain;public void twain_FastConfiguration(object sender, TwainFastConfigurationEventArgs e){// ... set your code heree.Stop = false;}public void FindFastConfigurationExample(IntPtr parent){TwainSession session = new TwainSession();session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None);session.EnableFastConfigurationEvent = true;session.FastConfiguration += new EventHandler<TwainFastConfigurationEventArgs>(twain_FastConfiguration);List<TwainFastConfiguration> twFastConfig = new List<TwainFastConfiguration>();TwainFastConfiguration tempFastConfig = new TwainFastConfiguration();tempFastConfig = TwainFastConfiguration.Default;tempFastConfig.TransferMechanism = TwainTransferMode.File;tempFastConfig.ImageFormat = Leadtools.RasterImageFormat.Bmp;tempFastConfig.BitsPerPixel = 1;twFastConfig.Add(tempFastConfig);tempFastConfig.TransferMechanism = TwainTransferMode.File;tempFastConfig.ImageFormat = Leadtools.RasterImageFormat.Tif;tempFastConfig.BitsPerPixel = 1;twFastConfig.Add(tempFastConfig);TwainFindFastConfigurationResult fastConfigRes;try{fastConfigRes = session.FindFastConfiguration(Path.Combine(LEAD_VARS.ImagesDir, ""), TwainFastUserInterfaceFlags.Show, 0, 1, twFastConfig);string msg;MessageBox.Show("FindFastConfig method was successful");msg = String.Format("Result Scan Configs count = {0}", fastConfigRes.Tested.Count);MessageBox.Show(msg);msg = String.Format("Transfer Mode = {0}\nFile Format = {1}\nBuffer Size = {2}\nRequired Time = {3}\n",fastConfigRes.Tested[0].TransferMechanism,fastConfigRes.Tested[0].ImageFormat,fastConfigRes.Tested[0].BufferSize,fastConfigRes.Tested[0].RequiredTime);MessageBox.Show(msg, "Tested Scan Configurations...");msg = String.Format("Transfer Mode = {0}\nFile Format = {1}\nBuffer Size = {2}\nRequired Time = {3}\n",fastConfigRes.Best.TransferMechanism,fastConfigRes.Best.ImageFormat,fastConfigRes.Best.BufferSize,fastConfigRes.Best.RequiredTime);MessageBox.Show(msg, "Best Scan Configurations...");}catch (Exception ex){MessageBox.Show(ex.Message);}session.Shutdown();}static class LEAD_VARS{public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images";}