QTableWidget row insertion and set width of each column?

[jpn]

I thought it was QTableWidget..

#include <QHeaderView>
QTreeWidget* treeWidget = ...;
treeWidget->header()->resizeSection(0, 20); // column 0, width 20
 
QTableWidget* tableWidget = ...;
tableWidget->horizontalHeader()->resizeSection(1, 50); // column 1, width 50
tableWidget->verticalHeader()->resizeSection(2, 15); // row 2, height 15

#include <QHeaderView>
QTreeWidget* treeWidget = ...;
treeWidget->header()->resizeSection(0, 20); // column 0, width 20

QTableWidget* tableWidget = ...;
tableWidget->horizontalHeader()->resizeSection(1, 50); // column 1, width 50
tableWidget->verticalHeader()->resizeSection(2, 15); // row 2, height 15

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