一,效果图
二,添加步骤:
1. 使用customContextMenuRequested 信号。
connect(ui->treeView, &QTreeView::customContextMenuRequested, this, &MainWindow::slotRightMenu);
2.
1. 使用customContextMenuRequested 信号。
connect(ui->treeView, &QTreeView::customContextMenuRequested, this, &MainWindow::slotRightMenu);
2.