what's the meaning of row in tableView::rowMoved(int row, int oldIndex, int newIndex)?

[brozo77]

I am a newer in Qt.
what's the meaning of row in tableView::rowMoved(int row, int oldIndex, int newIndex)?

Pls help me , and give me some tips, thanks!

[brozo77]

I have download the source code. And find no use of the param row. So it's redundant.

Close the question, thanks!