QTreeWidget中添加QTreeWidgetItem

记录一下QTreeWidget和QTreeWidgetItem在Qt中的应用，示例如下图所示 首先需要建立QTreeWidget对象 QHBoxLayout *hLayout = new QHBoxLayout(); QTreeWidget *CameraTree = new QTreeWidget(this); CameraTree->setColumnCount(2);//设置列 Camera

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