TwainCapability Class

Provides properties for getting and setting information about the capability type and the container type.

Object Model

Syntax

C#
Visual Basic
Objective-C
Java
C++

public class TwainCapability : System.IDisposable

'Declaration
 
Public Class TwainCapability 
   Implements System.IDisposable

'Usage
 
Dim instance As TwainCapability

public ref class TwainCapability : public System.IDisposable

Remarks

For more information, refer to Freeing the TWAIN Session.

Example

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

Copy Code

Imports Leadtools
Imports Leadtools.Twain

Public Sub TwainCapabilityExample(ByVal parent As IWin32Window)
   Dim twainSession As TwainSession = New TwainSession()
   twainSession.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None)
   Dim capType As TwainCapabilityType() = twainSession.QuerySupportedCapabilities()

   Dim i As Integer = 0
   Do While i < capType.Length
      If capType(i) = TwainCapabilityType.ImageTransferMechanism Then
         Dim twCap As TwainCapability = New TwainCapability()
         twCap.Information.ContainerType = TwainContainerType.OneValue
         twCap.Information.Type = TwainCapabilityType.ImageTransferMechanism

         twCap.OneValueCapability.ItemType = TwainItemType.Int32
         twCap.OneValueCapability.Value = TwainCapabilityValue.TransferMechanismFile

         twainSession.SetCapability(twCap, TwainSetCapabilityMode.Set)
      End If
      i += 1
   Loop
   twainSession.Shutdown()
End Sub

using Leadtools;
using Leadtools.Twain;

public void TwainCapabilityExample(IWin32Window parent)
{
   TwainSession twainSession = new TwainSession();
   twainSession.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None);
   TwainCapabilityType[] capType = twainSession.QuerySupportedCapabilities();

   for(int i = 0; i < capType.Length; i++)
   {
      if(capType[i] == TwainCapabilityType.ImageTransferMechanism)
      {
         TwainCapability twCap = new TwainCapability();
         twCap.Information.ContainerType = TwainContainerType.OneValue;
         twCap.Information.Type = TwainCapabilityType.ImageTransferMechanism;

         twCap.OneValueCapability.ItemType = TwainItemType.Int32;
         twCap.OneValueCapability.Value = TwainCapabilityValue.TransferMechanismFile;

         twainSession.SetCapability(twCap, TwainSetCapabilityMode.Set);
      }
   }
   twainSession.Shutdown();
}

Requirements

Target Platforms

Reference

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