Unsolved GUI for different Screen size

[mganesh]

hi i want to devlop GUI for different Screen size so How to do scaliblity which can automaticaly adjust with screen size?

[J.Hilk]

hi @mganesh and welcome

please take your time and read (parts of) the documentation
Qt's documentation is very detailed and good and in this case has a whole chapter on that topic:

https://doc.qt.io/qt-5/scalability.html