QPropertyNotifier Class

The QPropertyNotifier class controls the lifecycle of change callback installed on a QProperty . 更多...

頭: #include <QPropertyNotifier>
CMake: find_package(Qt6 REQUIRED COMPONENTS Core)
target_link_libraries(mytarget PRIVATE Qt6::Core)
qmake: QT += core
Since: Qt 6.2
繼承: QPropertyObserver

詳細描述

QPropertyNotifier is created when registering a callback on a QProperty to listen to changes to the property's value, using QProperty::addNotifier 。隻要改變處理程序存活,仍然安裝迴調。

可以使用 move 語義在 C++ 作用域之間傳輸處理程序實例。