QChildWindowEvent Class
QChildWindowEvent 类包含子窗口更改的事件参数。更多
| 头文件： | #include <QChildWindowEvent> |
| CMake.QChildWindowEvent | find_package(Qt6 REQUIRED COMPONENTS Gui)target_link_libraries(mytarget PRIVATE Qt6::Gui) |
| qmake： | QT += gui |
| 自 | Qt 6.7 |
| 继承： | QEvent |
- 所有成员的列表，包括继承成员
- QChildWindowEvent 属于事件类。
公共函数
| QChildWindowEvent(QEvent::Type type, QWindow *childWindow) | |
| QWindow * | child() const |
详细描述
当添加或删除子窗口时，会向窗口发送子窗口事件。
在这两种情况下，您只能依赖于子窗口是QWindow ，而不是子窗口的任何子类。这是因为在QEvent::ChildWindowAdded 的情况下，子类尚未完全构建，而在QEvent::ChildWindowRemoved 的情况下，子类可能已被析构。
成员函数文档
[explicit] QChildWindowEvent::QChildWindowEvent(QEvent::Type type, QWindow *childWindow)
为childWindow 构建一个特定type 的子窗口事件对象。
type 可以是 或 。QEvent::ChildWindowAdded QEvent::ChildWindowRemoved
另请参阅 child() 。
QWindow *QChildWindowEvent::child() const
返回添加或删除的子窗口。
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