Advanced layouts in wxWidgets with wxGridSizer, wxFlexGridSizer, and wxGridBagSizer. See the video tutorial for more details: https://www.youtube.com/watch?v=WCt0-D32AUE
FREE wxWidgets course: https://www.youtube.com/playlist?list=PL0qQTroQZs5vVmTuBew-nTx9DIu6rRl2c