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QT 怎么删除布局里的所有控件?
2022-07-28 06:32:00 【Licht小粉】
1 布局中删除所有的控件
while(ui->layoutLightGroup_2->count()){
QWidget *pWidget = ui->layoutLightGroup_2->itemAt(0)->widget();//循环每次取第一个控件,依次删除下去
pWidget->setParent(NULL);
ui->layoutLightGroup_2->removeWidget(pWidget);
delete pWidget;
}获取该布局下的布局数
ui->layoutLightGroup_2->count() 2 布局中删除布局
ui->layoutLightGroup_2->removeItem(ui->layoutLightGroup_1);边栏推荐
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