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Done..

I believe that Spring4D includes support for DI in it, but that's just based on lots of comments I've seen on this board. That said, in my experience, looking through a code library isn't a very good way to learn new subject matter. There are several books on Dependency Injection, including one that applies directly to Dephi. https://amzn.to/3LOO6Y9 One book that I particularly like is from Mark Seeman, "Dependency Injection in .NET". I have the first edition. The code examples aren't very useful for Dephi, but the principles apply. I think the newer one has more code examples, so it might not be any more useful. However, the code examples wouldn't be hard to translate to Delphi in most cases if you wanted to. I was looking more for understanding the topic, not code examples. https://amzn.to/44c1lJg

Thanks for the Fix ! 🙂 So the latest 8.70 is good to go? Always "." as decimal point ? Win10 introduced this crazy new "short" date format: "yyyy. mm. dd." (with spaces) instead of leaving the "yyyy.mm.dd", which worked fine for 30+ years from Win3.1 up to Win8.1 . We programmers hate that too. None of the old programs work on Win10 + 11 any more, freezing at start by trying to load a simple date and creating unhandled AV errors. IT guys normally go to Win10 settings >> and manually set it back to yyyy.mm.dd (without spaces). But Win11 does not have that "custom date" setting any more. Microsoft did not fix it's own DLL to be able to convert both back.