TwainEnumerationCapability Class

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

public class TwainEnumerationCapability

'Declaration
 
Public Class TwainEnumerationCapability

'Usage
 
Dim instance As TwainEnumerationCapability

public sealed class TwainEnumerationCapability

function Leadtools.Twain.TwainEnumerationCapability()

public ref class TwainEnumerationCapability

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.

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

Public Sub TwainEnumerationCapabilityExample(ByVal parent As IWin32Window)
   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

public void TwainEnumerationCapabilityExample(IWin32Window 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();
}

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

TwainEnumerationCapability Members
Leadtools.Twain Namespace
TwainCapability Class
TwainArrayCapability Class
TwainRangeCapability Class
TwainOneValueCapability Class
TwainCapabilityBase Class
GetCapability Method
SetCapability Method