Hi, can I anyhow check if user pressed Menu or Back hardware keys on device? I would like tie Back button with exit, similarly as KB_ESC handled in Update.

Or there is any option to get back the keycode when button pressed?

As I see Kb. functions gives back bool for specified code, I would need a method gets back the code directly.

I tried to display Str(Kb.c()) result to a textline but it caused CTD on device.

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OK it is solved,
if(Kb.bp(KB_NAV_BACK)) return false;
works