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GetPageText crashes my app when used with DLL

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Rudydm View Drop Down

Joined: 17 Nov 10
Status: Offline
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    Posted: 17 Nov 10 at 5:11PM
i have integrated Quickpdf in my application to extract text from pdf-files.
It works fine when i use the ActiveX-control, but when i use the DLL version, it completely crashes my application as soon as i execute the GetPagetext function.
i am using the resource code from the QuickPDFDLL0721.vb file in the sample project.
I would rather use the dll-version because it doesn't have to be registered.
Registering the activex-dll is a pain on vista and later machines when i distribute an update to my users.
This is my code :

Dim qp As PDFLibrary

Dim LicenseKey

Dim Result

' Update path to DLL if necessary

'QP = New QuickPDFAX0721.PDFLibrary  -- This is the Activex code, which works

qp = New PDFLibrary("C:\Program Files\Quick PDF Library\DLL\QuickPDFDLL0721.DLL")

' Insert your trial or commercial license key here

LicenseKey = "my_licence_key"

Result = QP.UnlockKey(LicenseKey)

If Result = 1 Then



pdfinhoud = QP.GetPageText(0)


MsgBox("- Invalid license key -")

End If

QP = Nothing

Edited by Ingo - 18 Nov 10 at 10:58AM
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