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SLEEP API VBA 64 BIT HOW TO
SLEEP API VBA 64 BIT INSTALL
SLEEP API VBA 64 BIT UPDATE
SLEEP API VBA 64 BIT CODE

With the introduction of Access 2010, Microsoft published an article on 32- and 64-Compatibility in Access. This message is pretty clear about the problem, but you need further information to implement the solution.

SLEEP API VBA 64 BIT UPDATE

Please review and update Declare statements and then mark them with the PtrSafe attribute.

SLEEP API VBA 64 BIT CODE

The very first thing you will encounter when you try to compile an Access application with an API declaration that was written for 32-bit in VBA in 64-bit Access is an error message.Ĭompile error: The code in this project must be updated for use on 64-bit systems. I hope I will be able to debunk them with this text.īut first things first.

SLEEP API VBA 64 BIT HOW TO

However, I frequently encounter several common misconceptions about how to migrate your Windows API calls. You will not encounter any function, which was available on 32-bit but isn’t any more on 64-bit. Migrate Windows API-Calls in VBA to 64-bitįortunately, the Windows API was completely ported to 64-bit. These can be installed side-by-side with a 64-bit edition of Office later version of the Access Runtime cannot.Īs we can’t do much about the availability of third party components, this article is focused on the migration of Win-API calls in VBA to 64-bit compatibility. Exceptions are the Access 20 32-bit (x86) Runtime editions of Access. It is not possible to mix and match 32- and 64-bit applications from the Microsoft Office suite.

SLEEP API VBA 64 BIT INSTALL

So, whether you as an Access developer like it or not, you might be confronted with the 64-bit edition of Microsoft Access because someone in your or your client’s organization decided they will install the Office Suite in 64-bit. financial risk calculations, you will probably benefit from the additional memory available to a 64-bit application. If you use Excel to calculate large data models, e.g. For Excel, there actually are use cases for the 64-bit edition. Unfortunately (in this regard) Access is part of the Office Suite as is Microsoft Excel. However, if you don’t want to use 64-bit Access, there is the /LARGEADDRESSWARE workaround to mitigate memory issues. So, the benefit of the 64-bit edition having more memory available can be significant if you encounter memory issues. The memory hunger of Access increased with each new version. This problem will not happen when you run the very same application in 64-bit Access. When you open multiple forms at the same time that contain a large number of sub-forms, most likely on a tab control, you might run into out-of-memory-errors on 32-bit systems. There is only one benefit of 64-bit Access I’m aware of.

And finally, Access applications using the Windows API in their VBA code will require some migration work to function properly in an 圆4-environment.

Only if you need to connect to some old legacy systems this might still be a factor. – Though this should rarely be an issue nowadays.

Drivers/Connectors for external systems like ODBC-Databases and special hardware might not be available.

(The Microsoft Common Controls are available for 64-bit since 2017, but there still is some confusion about using the MsComCtl.ocx in 64-bit Access.) Yes, this is still a problem in 2020, more than 10 years after the first 64-bit Windows operating system was released.

Many ActiveX-Controls that are frequently used in Access development are still not available for 64-bit.

There are several reasons not to use 64-bit Access. If you are just focusing on Microsoft Access, there is actually no compelling reason to use the 64-bit edition instead of the 32-bit edition. Windows 圆4 provides an excellent 32-bit subsystem that allows you to run any 32-bit application without drawbacks.įor now, 64-bit Office/Access still is rather the exception than the norm, but this is changing more and more. You do not need to install Office/Access as 64-bit application just because you got a 64-bit operating system. Since Office 2010 all the Office applications including Microsoft Access and VBA are available in a 64-bit edition in addition to the classic 32-bit edition. How to convert Windows API declarations in VBA for 64-bitīy Philipp Stiefel, originally published