If I pass parameters with a null value to my own build userfunction, the function is not started at all. This means that a check for null value must happen before entering the function. Is this a standard behavior of MS-Access, and if yes, can I prevent this, so that I can do the check within the function itself.
Windows Explorer let you handle zip folders nearly as any other folder: Copy, move, change, and delete, etc.
In VBA you can also handle normal files and folders, but zip folders takes a little more - and that you'll find here.
With just a little bit of SQL and VBA, many doors open to cool things like synchronize a list box to display data relevant to other information on a form. If you have never written code or looked at an SQL statement before, no problem! ... give i…