Qt C++ qtableWidget how to catch click on column header?

Question

Qt

It is necessary to trigger a void event when clicking on a column heading, passing the index of this column, how to do it?

Answer 1

Maybe your question was answered here https://stackoverflow.com/questions/11596267/qtabl...
PS: QTableWidget is very slow if you have more than 20 rows, you should use model and QTableView