Don't tease me about constructors. VBA doesn't have them. Not really at least. I actually did add a
Create method to fake it, but I left Initialize as not to break existing code. Maybe I shouldn't have... — RubberDuck 1 min ago
The error message is telling you Access can't find a function named TestClick. Your TestClick is a subroutine, not a function.
Here is a simpler example, tested in Access 2010 and 2013, which demonstrates that using a function for a control's .OnClick property can work ... but you need a func...
