How to change table column's width if I make headerView inVisible?

[Lykurg]

I don't know if there is a build in function, but you can activate mouse tracking and check if the mouse in on a line, chance the mouse cursor and react on mouse press + move.

[luoyes]

I don't know if there is a build in function, but you can activate mouse tracking and check if the mouse in on a line, chance the mouse cursor and react on mouse press + move.

Thanks for your reply!
I will have a try.

[luoyes]

I succeed.
In fact,it is very easy.

[Lykurg]

I succeed.
In fact,it is very easy.

Perfect! It would be nice if you could post the relevant reimlementations. If some other user struggle with that problem, he could use your solution.

[luoyes]

Here is my code.
Hope it is helpful!
And I am very pleased if anyone give me some suggestions.
MyTableWidget..cppMyTableWidget..h