Scanner demo not working- PsionTeklogixDemoApplication of MDSDK 6 on Workabout Pro 4

Hello,

The device is a Workabout Pro 4 with Windows CE 6. We are programming in VB.NET.

I am trying to get the example "PsionTeklogixDemoApplications" running. Almost all examples are working fine, exept the scanner example.

As soon as I select "Scanner" or "Scanner2" in the example list, the software gets an excaption.

This examption is happening in the codeline

     Me.ScannerServicesDriver1 = New PsionTeklogix.Barcode.ScannerServices.ScannerServicesDriver

Exeption text is the following:

_______________

System.ComponentModel.Win32Exception was unhandled

  ErrorCode=-2147467259

  Message="CreateFile(SCS0:)"

  StackTrace:

    at PsionTeklogix.Win32.ThrowException()

    at PsionTeklogix.Barcode.ScannerServices.ScannerServicesDriver.GetHandle()

    at PsionTeklogix.Barcode.ScannerServices.ScannerServicesDriver..ctor()

    at PsionTeklogixDemoApplications.ScannerTest.OnLoad()

    at System.Windows.Forms.Form._SetVisibleNotify()

    at System.Windows.Forms.Control.set_Visible()

    at System.Windows.Forms.Control.Show()

    at PsionTeklogixDemoApplications.frmLaunchPad.callScanner()

    at PsionTeklogixDemoApplications.frmLaunchPad.lstLaunch_SelectedIndexChanged()

    at System.Windows.Forms.ListBox.OnSelectedIndexChanged()

    at System.Windows.Forms.ListBox.WnProc()

    at System.Windows.Forms.Control._InternalWnProc()

    at Microsoft.AGL.Forms.EVL.EnterMainLoop()

    at System.Windows.Forms.Application.Run()

    at PsionTeklogixDemoApplications.frmLaunchPad.Main()

___________________

Am I using the wrong library? Besides the MDSDK there is a EMDK. Unfortunatly the EMDK doesn't contain any example but a documentation only.

Thank you very much