Cancel Property

Summary

Set to true to abort the acquire operation.

Syntax

C++/CLI

Python

public bool Cancel { get; set; }

public: 
property bool Cancel { 
   bool get(); 
   void set (    bool ); 
}

Cancel # get and set (TwainAcquireMultiPageEventArgs)

Property Value

true to abort, false to continue normally.

Example

using Leadtools; 
using Leadtools.Twain; 
 
 
public void twain_AcquireMulti(object sender, TwainAcquireMultiPageEventArgs e) 
{ 
   string msg; 
 
   if (e.FinishScan) 
   { 
      msg = String.Format("The page # {0} is scanned and saved to file name {1}", e.PageNumber, e.FileName); 
      MessageBox.Show(msg); 
   } 
 
   e.Cancel = false; 
} 
 
public void AcquireFastExample(IntPtr parent) 
{ 
   TwainSession session = new TwainSession(); 
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None); 
 
   session.EnableAcquireMultiPageEvent = true; 
   session.AcquireMultiPage += new EventHandler<TwainAcquireMultiPageEventArgs>(twain_AcquireMulti); 
 
   session.AcquireFast(Path.Combine(LEAD_VARS.ImagesDir, "Out_test.tif"), 
                       TwainFastUserInterfaceFlags.Show, 
                       TwainTransferMode.Buffer, 
                       RasterImageFormat.Tif, 1, true, 0, true); 
   session.Shutdown(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
}

Requirements

Target Platforms

Reference

TwainAcquireMultiPageEventArgs Class

TwainAcquireMultiPageEventArgs Members

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Help Version 22.0.2023.3.31

Leadtools.Twain Assembly

Introduction

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Leadtools.Twain Namespace

Assemblies