怎么在QTableWidget上画线?
我继承了QTableWidget类,复写了paintEvent方法,
void TablePaint::paintEvent(QPaintEvent *) {
QPainter painter(this->viewport());
painter.setPen(palette().dark().color());
painter.setBrush(Qt::NoBrush);
painter.drawLine(1, 1, 100, 100);
}
但是显示不出来
补充:移动开发 , Qt