SystemId Class

This class was introduced in Qt 6.2.

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Publié le 14 février 2024 - Mis à jour le 14 février 2024

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SystemId Class▲

Header: SystemId
Since: Qt 6.2
CMake:

find_package(Qt6 REQUIRED COMPONENTS Core)

target_link_libraries(mytarget PRIVATE Qt6::Core)
qmake: QT += core

Detailed Description▲

This is an opaque type used to identify custom calendar implementations. The only supported source for values of this type is the backend's calendarId() method. A value of this type whose isValid() is false does not identify a successfully-registered backend. The only valid consumer of values of this type is a QCalendar constructor, which will only produce a valid QCalendar instance if the ID passed to it is valid.

Member Function Documentation▲

[constexpr] bool SystemId::isValid() const▲

Returns true if this is a valid calendar implementation identifier, false otherwise.