Do you mean you are using UI.inputbox class method) ?
How about the native dialogs in SketchUp, are these big enough? Or do you have similar issues? Screenshots?
Perhaps can be resolved by Change high DPI setting at SketchUp.exe Properties Compatibility tab.
What version of SketchUp are you using? Would you please so kind to complete your profile?
The Ruby HtmlDialog class allows you to create any kind and size of dialogs as you want.
The “conversion” between UI.inputbox and UI.HtmlDialog assumes a bit more in-depth knowledge of Ruby and Javascript and HTML language.
text size in the dialogue box is about the same as text size in drop down menu
2560x1440 is not the recommanded parameter for my computer, but it should work like this too
thank you
i found it
right click on ‘sketchup.exe’ in files manager window
show more options > properties
opens a window
choose compatibility tab
modify parameters high ???
check put to scale by… improved system