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TwainExtraImageInformation Class

Summary

Provides support for getting extra image information.

Syntax

C++

public class TwainExtraImageInformation : IDisposable

Public Class TwainExtraImageInformation  
   Implements System.IDisposable

public ref class TwainExtraImageInformation : public System.IDisposable

Example

using Leadtools; 
using Leadtools.Twain; 
 
public void TwainExtraImageInformationConstructorExample(IntPtr parent) 
{ 
   TwainSession session = new TwainSession(); 
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None); 
 
   TwainExtraImageInformation extraImgInfo = new TwainExtraImageInformation(2); 
   try 
   { 
      extraImgInfo.GetInformation(0).InfoId = TwainExtendedImage.BarcodeCount; 
      extraImgInfo.GetInformation(0).ItemType = TwainItemType.Uint32; 
      extraImgInfo.GetInformation(0).ConditionCode = TwainConditionCode.Success; 
      extraImgInfo.GetInformation(1).InfoId = TwainExtendedImage.BarcodeType; 
      extraImgInfo.GetInformation(1).ItemType = TwainItemType.Uint32; 
      session.UpdateExtraImageInformation(extraImgInfo); 
      //. 
      //. Do processing to returned values 
      //. 
   } 
   catch (Exception ex) 
   { 
      MessageBox.Show(ex.Message); 
   } 
   finally 
   { 
      extraImgInfo.Dispose(); 
   } 
 
   session.Shutdown(); 
}

Imports Leadtools 
Imports Leadtools.Twain 
 
 
Public Sub TwainExtraImageInformationConstructorExample(ByVal parent As IntPtr) 
   Dim session As TwainSession = New TwainSession() 
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None) 
 
   Dim extraImgInfo As TwainExtraImageInformation = New TwainExtraImageInformation(2) 
   Try 
      extraImgInfo.GetInformation(0).InfoId = TwainExtendedImage.BarcodeCount 
      extraImgInfo.GetInformation(0).ItemType = TwainItemType.Uint32 
      extraImgInfo.GetInformation(0).ConditionCode = TwainConditionCode.Success 
      extraImgInfo.GetInformation(1).InfoId = TwainExtendedImage.BarcodeType 
      extraImgInfo.GetInformation(1).ItemType = TwainItemType.Uint32 
      session.UpdateExtraImageInformation(extraImgInfo) 
      '. 
      '. Do processing to returned values 
      '. 
   Catch ex As Exception 
      MessageBox.Show(ex.Message) 
   Finally 
      extraImgInfo.Dispose() 
   End Try 
 
   session.Shutdown() 
End Sub

Requirements

Target Platforms

Reference

TwainExtraImageInformation Members

Leadtools.Twain Namespace

Acquire Method

UpdateExtraImageInformation Method

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Help Version 21.0.2021.6.30

Leadtools.Twain Assembly

Introduction

Getting Started

Namespaces

Leadtools.Twain Namespace

Assemblies