EnableDuplexScanning Property

C#
Visual Basic
Objective-C
Java
C++

public bool EnableDuplexScanning {get; set;}

'Declaration
 
Public Property EnableDuplexScanning As Boolean

'Usage
 
Dim instance As TwainSession
Dim value As Boolean
 
instance.EnableDuplexScanning = value
 
value = instance.EnableDuplexScanning

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

Property Value

Enables or disables the duplex mode. Possible values are: true: Enable the duplex mode. false: Disable the duplex mode.

This property internally gets or sets the duplex enabled capability CAP_DUPLEXENABLED. For more information on this capability, refer to http://www.twain.org and click on TWAIN Specification (Version 2.0).

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

Copy Code

Imports Leadtools
Imports Leadtools.Twain

Public Sub EnableDuplexScanningPropertyExample(ByVal parent As IWin32Window)
   Dim session As TwainSession = New TwainSession()
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None)

   Dim enableDuplex As Boolean = session.EnableDuplexScanning
   Dim duplexMode As Integer = CInt(session.DuplexScanningMode)
   Dim maxXfer As Integer = session.MaximumTransferCount

   If enableDuplex = False Then
      session.EnableDuplexScanning = True
   End If

   If maxXfer <> 10 Then
      session.MaximumTransferCount = 10
   End If

   session.Shutdown()
End Sub

using Leadtools;
using Leadtools.Twain;

public void EnableDuplexScanningPropertyExample(IWin32Window parent)
{
   TwainSession session = new TwainSession();
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None);

   bool enableDuplex = session.EnableDuplexScanning;
   int duplexMode = (int)session.DuplexScanningMode;
   int maxXfer = session.MaximumTransferCount;

   if (enableDuplex == false)
   {
      session.EnableDuplexScanning = true;
   }

   if (maxXfer != 10)
      session.MaximumTransferCount = 10;

   session.Shutdown();
}

Target Platforms

Reference

TwainSession Class
TwainSession Members
Startup Method
Shutdown Method
Acquire Method
MaximumTransferCount Property
DuplexScanningMode Property
AcquirePageOptions Property
ImageEffects Property
ImageBitsPerPixel Property
ImageUnit Property
ImageFrame Property
IsTransferModeAvailable Method
TransferOptions Property
ShowProgressIndicator Method