How to expanding the layout?

[Kode.Cooper]

hi, there, I create a window which has been splite to some parts, such as title bar area, menu bar area, and Content area.

the Content area will be filled with the UI which designed by Qt Designer.

the UI has a QHBoxLayout in there. Now, I want to expand the Layout made it fill the whole Content area.

But i dont find the way to do this. Can you help me ?

Thanks.

[nikhilqt]

Increase the minimum size of the layout.

[Kode.Cooper]

Increase the minimum size of the layout.

Thanks, I've found the way in Qt Designer.

the widget can be Layout to Grid by right click the widget in Qt Designer.