QuerySourceInformation Method

C#
Visual Basic
Java
Objective-C
C++

public TwainSourceInformation[] QuerySourceInformation()

'Declaration

Public Function QuerySourceInformation() As TwainSourceInformation()

'Usage

Dim instance As TwainSession
Dim value() As TwainSourceInformation
 
value = instance.QuerySourceInformation()

public:
array<TwainSourceInformation>^ QuerySourceInformation();

For more information, refer to Managing the TWAIN Source.

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

Copy Code

Imports Leadtools
Imports Leadtools.Twain

Public Sub QuerySourceInformationExample(ByVal parent As IntPtr)
   Dim buffer As String
   Dim session As TwainSession = New TwainSession()
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None)
   Dim srcInfo As TwainSourceInformation() = session.QuerySourceInformation()

   Dim i As Integer = 0
   Do While i < srcInfo.Length
      buffer = String.Format("Source Name = {0}" & Constants.vbLf & "Product Family Name = {1}" & Constants.vbLf & _
                             "Manufacturer Name = {2}" & Constants.vbLf & "Twain source supported version = {3}" & _
                             Constants.vbLf, srcInfo(i).Name, srcInfo(i).ProductFamily, srcInfo(i).Manufacturer, _
                             srcInfo(i).TwainSourceVersion)
      MessageBox.Show(buffer)
      i += 1
   Loop
   session.Shutdown()
End Sub

using Leadtools;
using Leadtools.Twain;

public void QuerySourceInformationExample(IntPtr parent)
{
   string buffer;
   TwainSession session = new TwainSession();
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None);
   TwainSourceInformation[] srcInfo = session.QuerySourceInformation();

   for (int i=0; i < srcInfo.Length; i++)
   {
      buffer = String.Format("Source Name = {0}\nProduct Family Name = {1}\nManufacturer Name = {2}\nTwain source supported version = {3}\n",
         srcInfo[i].Name, srcInfo[i].ProductFamily, srcInfo[i].Manufacturer, srcInfo[i].TwainSourceVersion);

      MessageBox.Show(buffer);
   }
   session.Shutdown();
}

Target Platforms

Reference

TwainSession Class
TwainSession Members
SelectedSourceName Method
SelectedSourceTwainVersion Method