problem of how to get drive

[jpn]

Do you notice something in common in the following posts?

Btw, how is this related to Qt Designer?

PS. This has nothing to do with Qt Designer. Thread moved.

PS. once again this has nothing to do with Qt Designer which is a tool for designing and building graphical user interfaces.

And what does it have to do with Qt Designer?

Please, don't ask questions that have nothing to do with Qt Designer in Qt Designer section and search the docs before you ask a question.