TwainExtraImageInformation Class

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public class TwainExtraImageInformation : System.IDisposable

'Declaration
 
Public Class TwainExtraImageInformation 
   Implements System.IDisposable

'Usage
 
Dim instance As TwainExtraImageInformation

public sealed class TwainExtraImageInformation : IClosable //In WinRT the IDisposable interface is replaced by IClosable

function Leadtools.Twain.TwainExtraImageInformation()

public ref class TwainExtraImageInformation : public System.IDisposable

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Public Sub TwainExtraImageInformationConstructorExample(ByVal parent As IWin32Window)
   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

public void TwainExtraImageInformationConstructorExample(IWin32Window 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();
}

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

TwainExtraImageInformation Members
Leadtools.Twain Namespace
Acquire Method
UpdateExtraImageInformation Method