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qlineedit 怎么形成下拉列表

2025-03-28 18:03:58

推荐回答（1个）

回答1：

Qt的事件模型一个强大的功能是一个QObject对象能够监视发送其他QObject对象的事件，在事件到达之前对其进行处理。假设我们有一个CustomerInfoDialog控件，由一些QLineEdit控件组成。我们希望使用Space键得到下一个QLineEdit的输入焦点。

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