You can also optionally pass the method a second parameter? By passing this method a True or a False value, you can indicate whether you want to display updating within the main Access window.Looking at his benchmark and its VBA code you can see that has Screen Updating ON and repeatedly calculates in Automatic mode.
But the problem is that a large portion of the time in his benchmark is taken by screen updating, and so his benchmark results vary significantly depending what part of the worksheet is actually visible on the screen, and hence how many visible cells get refreshed at each calculation.
Some of the most asked questions that can be (or have been) solved by using ASAP Utilities.
In the "Info..." option in ASAP Utilities you can find the same brief description of each tool.
The acb Show Updates method really doesn't do much besides what a direct call to Application.
Echo does: As a matter of fact, the reason this procedure exists at all is because the techniques used in this topic work great in Access 2002 and later, but may not work correctly in earlier versions?