I need help - I can help - Problem with DLL in 64 bits in Windows8

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Problem with DLL in 64 bits in Windows8

Printed From: Debenu Quick PDF Library - PDF SDK Community Forum
Category: For Users of the Library
Forum Name: I need help - I can help
Forum Description: Problems and solutions while programming with the Debenu Quick PDF Library and Debenu PDF Viewer SDK
URL: http://www.quickpdf.org/forum/forum_posts.asp?TID=2533
Printed Date: 05 Apr 26 at 4:34AM
Software Version: Web Wiz Forums 11.01 - http://www.webwizforums.com

Topic: Problem with DLL in 64 bits in Windows8

Posted By: temer
Subject: Problem with DLL in 64 bits in Windows8
Date Posted: 14 Feb 13 at 11:06PM

Hi,

I developed an PDF viewer in C++, worked well using DLL in 32bits, but when I build the software in 64bits and use the DLL 64, the render doesnt show nothing.

Windows 8.

Someone Can help me?

Tks a lot.

Replies:

Posted By: Ingo
Date Posted: 15 Feb 13 at 8:58AM

Hi Temer!

The problem could be your first 32-bit-installation/-dll.

Before using the 64-bit-dll you should completely (registry-entries...) remove the 32-bit-dll.

A common problem: You know that 32-bit-dlls should be on 64-bit-system in syswow64 and 64-bit-dlls in system32?

Cheers and welcome here,

Ingo

Posted By: temer
Date Posted: 15 Feb 13 at 1:21PM

Hi Ingo,

I know that. The DLL is in a folder, just my Aplication use this DLL (version 9.11 ....), When the software build in 32bit I use the DLL for 32bit, and is the same for 64bit.

The problem is render the slide in a device context, in 64bit doesnt show nothing, but in 32bit work well.

Thanks.

Temer