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Capability Property

Summary

Gets the TwainCapability currently being processed by the event.

Syntax

C#
VB
C++
public TwainCapability Capability { get; } 
Public ReadOnly Property Capability As Leadtools.Twain.TwainCapability 

Property Value

The TwainCapability currently being processed by the event.

Example

C#
VB
using Leadtools; 
using Leadtools.Twain; 
 
public void twnSession_SaveTemplate(object sender, TwainTemplateEventArgs e) 
{ 
   TwainCapability twCap = e.Capability; 
   if (twCap.Information.ContainerType == TwainContainerType.OneValue) 
   { 
      if (twCap.OneValueCapability.Value == (object)TwainCapabilityValue.TransferMechanismFile) 
      { 
         MessageBox.Show("File transfer avaialble and its container is OneValue"); 
      } 
   } 
} 
 
public void CapabilityPropertyExample(IntPtr parent) 
{ 
   TwainSession session = new TwainSession(); 
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None); 
 
   session.SaveTemplate += new EventHandler<TwainTemplateEventArgs>(twnSession_SaveTemplate); 
   session.SaveTemplateFile(Path.Combine(LEAD_VARS.ImagesDir, "Out_test.ltt")); 
 
   session.Shutdown(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
} 
Imports Leadtools 
Imports Leadtools.Twain 
 
Public Sub twnSession_SaveTemplate(ByVal sender As Object, ByVal e As TwainTemplateEventArgs) 
   Dim twCap As TwainCapability = e.Capability 
   If twCap.Information.ContainerType = TwainContainerType.OneValue Then 
      If CType(twCap.OneValueCapability.Value, TwainCapabilityValue) = TwainCapabilityValue.TransferMechanismFile Then 
         MessageBox.Show("File transfer avaialble and its container is OneValue") 
      End If 
   End If 
End Sub 
 
Public Sub CapabilityPropertyExample(ByVal parent As IntPtr) 
   Dim session As TwainSession = New TwainSession() 
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None) 
 
   AddHandler session.SaveTemplate, AddressOf twnSession_SaveTemplate 
   session.SaveTemplateFile(Path.Combine(LEAD_VARS.ImagesDir, "Out_test.ltt")) 
 
   session.Shutdown() 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" 
End Class 

Requirements

Target Platforms

Help Version 19.0.2017.10.18
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Leadtools.Twain Assembly