The QPropertyNotifier class controls the lifecycle of change callback installed on a QProperty . 更多...
头: | #include <QPropertyNotifier> |
CMake: |
find_package(Qt6 REQUIRED COMPONENTS Core)
target_link_libraries(mytarget PRIVATE Qt6::Core) |
qmake: | QT += core |
继承: | QPropertyObserver |
QPropertyNotifier is created when registering a callback on a QProperty to listen to changes to the property's value, using QProperty::addNotifier 。只要改变处理程序存活,仍然安装回调。
可以使用 move 语义在 C++ 作用域之间传输处理程序实例。