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TwainEnumerationCapability Class
See Also  Members   Example 
Leadtools.Twain Namespace : TwainEnumerationCapability Class




Represents a container of type TW_ENUMERATION.

Syntax

Visual Basic (Declaration) 
Public Class TwainEnumerationCapability
Visual Basic (Usage)Copy Code
Dim instance As TwainEnumerationCapability
C# 
public class TwainEnumerationCapability
Managed Extensions for C++ 
public __gc 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 1.9) 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 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also