←Select platform

TwainEnumerationCapability Class

Summary

Represents a container of type TW_ENUMERATION.

Syntax

C#
VB
C++
public class TwainEnumerationCapability 
Public Class TwainEnumerationCapability  
public ref class TwainEnumerationCapability  

Remarks

For more information about TW_ENUMERATION containers, refer to the TWAIN Specification (Version 2.0) at http://www.twain.org. For more information, refer to How to Work with the Container.

Example

C#
VB
using Leadtools; 
using Leadtools.Twain; 
 
public void TwainEnumerationCapabilityExample(IntPtr parent) 
{ 
   TwainSession session = new TwainSession(); 
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None); 
 
   TwainCapability twCap = new TwainCapability(); 
 
   twCap.Information.ContainerType = TwainContainerType.Enumeration; 
   twCap.Information.Type = TwainCapabilityType.ImageUnits; 
 
   twCap.EnumerationCapability.Count = 2; 
   twCap.EnumerationCapability.ItemType = TwainItemType.Uint16; 
 
   TwainCapabilityValue item = TwainCapabilityValue.UnitInches; 
   twCap.EnumerationCapability.SetValue(0, item); 
 
   twCap.EnumerationCapability.SetValue(1, TwainCapabilityValue.UnitTwips); 
 
   twCap.EnumerationCapability.CurrentIndex = 0; 
   twCap.EnumerationCapability.DefaultIndex = 0; 
 
   session.SetCapability(twCap, TwainSetCapabilityMode.Set); 
   session.Shutdown(); 
} 
Imports Leadtools 
Imports Leadtools.Twain 
 
Public Sub TwainEnumerationCapabilityExample(ByVal parent As IntPtr) 
   Dim session As TwainSession = New TwainSession() 
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None) 
 
   Dim twCap As TwainCapability = New TwainCapability() 
 
   twCap.Information.ContainerType = TwainContainerType.Enumeration 
   twCap.Information.Type = TwainCapabilityType.ImageUnits 
 
   twCap.EnumerationCapability.Count = 2 
   twCap.EnumerationCapability.ItemType = TwainItemType.Uint16 
 
   Dim item As TwainCapabilityValue = TwainCapabilityValue.UnitInches 
   twCap.EnumerationCapability.SetValue(0, item) 
 
   twCap.EnumerationCapability.SetValue(1, TwainCapabilityValue.UnitTwips) 
 
   twCap.EnumerationCapability.CurrentIndex = 0 
   twCap.EnumerationCapability.DefaultIndex = 0 
 
   session.SetCapability(twCap, TwainSetCapabilityMode.Set) 
   session.Shutdown() 
End Sub 

Requirements

Target Platforms

Help Version 19.0.2017.10.18
Products | Support | Contact Us | Copyright Notices
© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.Twain Assembly