SelectSource Method

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

Syntax

Visual Basic
C#
WinRT C#
WinRT JavaScript
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
)

 function Leadtools.Twain.TwainSession.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

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

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

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: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

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