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#1 Posted : Wednesday, August 1, 2007 9:57:27 AM(UTC)

jraggio  
jraggio

Groups: Registered
Posts: 10


Environment: XP SP2, VS2005, LeadTools .NET 14.5.0.62, SCSI KODAK DS 3500

I download the latest Twain Driver from kodak website for this scanner

This Code Crash/Hangs here m_TWainSession.LoadTemplateFile


'**************************

If Leadtools.Twain.TwainSession.IsAvailable(Me) Then

m_TWainSession = New TwainSession()
m_TWainSession.Startup(Me, "Company", "suite", "1.0", "Image Tool")

AddHandler m_TWainSession.AcquirePage, AddressOf _twainSession_AcquirePage


m_TWainSession.SelectSource() 'SELECT DS 3500
m_TWainSession.ShowTemplateDlg("c:\temp\test.tpl")

m_TWainSession.LoadTemplateFile("c:\temp\test.tpl") 'HERE
If m_TWainSession.Acquire(TwainUserInterfaceFlags.Show) = Windows.Forms.DialogResult.OK Then
If m_Rasterimg IsNot Nothing Then
m_RasterCodecs.Save(m_Rasterimg, "c:\test.tif", RasterImageFormat.Tif, 0, 1, m_Rasterimg.PageCount, 1, CodecsSavePageMode.Overwrite)
End If
End If
m_TWainSession.Shutdown()
m_TWainSession = Nothing
End If

'***************************

If i select another source from the List it is working with no problems.
can you help me with this problem

Thanks a lot
Jorge
 

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#2 Posted : Monday, August 6, 2007 7:23:29 AM(UTC)
Maen Hasan

Groups: Registered, Tech Support
Posts: 1,328

Was thanked: 1 time(s) in 1 post(s)

Hello,

If you put the following code in your project, what exactly do get in the output debug window?
+----------------------+
Private Sub twnSession_SaveTemplate(ByVal sender As Object, ByVal e As Leadtools.Twain.TwainTemplateEventArgs) Handles twnSession.SaveTemplate
Debug.WriteLine("SaveTemplate: " + e.Capability.Information.Type.ToString())
End Sub

Private Sub twnSession_LoadTemplate(ByVal sender As Object, ByVal e As Leadtools.Twain.TwainTemplateEventArgs) Handles twnSession.LoadTemplate
Debug.WriteLine("LoadTemplate: " + e.Capability.Information.Type.ToString())
End Sub
+----------------------+

Also, do you get any exception when you call the m_TWainSession.LoadTemplateFile method?

Thanks,
Maen Badwan
LEADTOOLS Technical Support
 
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