SelectSource Method

Displays the TWAIN dialog box to be used to select a TWAIN source for acquiring images.

Syntax

C#
Visual Basic
Objective-C
Java
C++

public DialogResult SelectSource( 
   string sourceName
)

'Declaration
 
Public Function SelectSource( _
   ByVal sourceName As String _
) As DialogResult

'Usage
 
Dim instance As TwainSession
Dim sourceName As String
Dim value As DialogResult
 
value = instance.SelectSource(sourceName)

public:
DialogResult SelectSource( 
   String^ sourceName
)

Parameters

sourceName: String contains source name to be selected

Return Value

One of the DialogResult values.
If an error occurs, an exception is thrown.

Remarks

For more information, refer to Managing the TWAIN Source.

Example

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

Copy Code

Imports Leadtools
Imports Leadtools.Twain

Public Sub SelectSourceExample(ByVal parent As IWin32Window)
   Dim session As TwainSession = New TwainSession()
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None)

   If session.SelectSource(String.Empty) <> DialogResult.OK Then
      MessageBox.Show("Error Selecting Source")
   End If

   session.Shutdown()
End Sub

using Leadtools;
using Leadtools.Twain;

public void SelectSourceExample(IWin32Window parent)
{
   TwainSession session = new TwainSession();
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None);

   if (session.SelectSource(string.Empty) != DialogResult.OK)
      MessageBox.Show("Error Selecting Source");

   session.Shutdown();
}

Requirements

Target Platforms

Reference

TwainSession Class
TwainSession Members
Startup Method
Shutdown Method
IsAvailable Method
Acquire Method