Leadtools TWAIN (Leadtools.Twain assembly) Send comments on this topic. | Back to Introduction - All Topics | Help Version 17.0.3.30
TwainEnumerationCapability Class
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Leadtools.Twain Namespace : TwainEnumerationCapability Class



Represents a container of type TW_ENUMERATION.

Object Model

TwainEnumerationCapability Class

Syntax

Visual Basic (Declaration) 
Public Class TwainEnumerationCapability 
Visual Basic (Usage)Copy Code
Dim instance As TwainEnumerationCapability
C# 
public class TwainEnumerationCapability 
C++/CLI 
public ref class TwainEnumerationCapability 

Example

Visual BasicCopy Code
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
C#Copy Code
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();
}

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.

Inheritance Hierarchy

System.Object
   Leadtools.Twain.TwainEnumerationCapability

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7

See Also