Well, we changed these variables to STATIC and it fixed the problem . Release builds with compiler optimization for the entire solution can now print documents without crashing. I've only done some preliminary testing, but it looks good so far. Beforehand, it basically couldn't print at all. It's ...

Chris wrote: ↑Thu Apr 25, 2024 9:18 am a set of slightly newer RP3 files, they might make a difference as we fixed another issue that could be related recently.

Hi Chris,

do these have changes within Classmate Gui? Maybe we should try that fix?

Greetings, We observe the exact same problem. It turns out that printing through the cPrinter class crashes with memory errors whenever we compile Classmate with the "Build/Optimize" flag. It only happens when using the printer DC, print preview is not affected. Disabling Optimize in Release builds ...