https://forum.qt.io/topic/87177/moving-row-in-qstandarditemmodel-unhides-hidden-qtreeview-columns
Moving row in QStandardItemModel unhides hidden QTreeView columns? | Qt Forum
Jan 30, 2018 - Hi, I have a QTreeView with a simple model class derived from QStandardItemModel which allows me to move rows up and down in the view. The derived class pro...
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