QTableView *tableView = new QTableView(); QHeaderView *headerView = tableView->horizontalHeader(); headerView->setStretchLastSection(true); headerView->setSectionResizeMode(QHeaderView::Stretch);
QTreeView *treeView = new QTreeView(); QHeaderView *headerView = treeView->header(); headerView->setFont(QFont("Arial", 12)); headerView->setStyleSheet("background-color: blue;"); headerView->setSectionSize(100);Package library: Qt C++ library.