Hello, thanks for code::blocks
on high dpi monitors the icons are very small see my screenshot
the font adjusts fine but the icons stay so small thanks
link to image https://ibb.co/LNgWfyT (https://ibb.co/LNgWfyT)
Have you tried Settings->Environment->View->Toolbar icon size
This has been logged as a bug, the SF ticket info is:
https://sourceforge.net/p/codeblocks/tickets/1132