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Macros
QT_REQUIRE_VERSION(int argc, char **argv, const char *version) |
Macro Documentation
QT_REQUIRE_VERSION(int argc, char **argv, const char *version)
This macro can be used to ensure that the application is run with a recent enough version of Qt. This is especially useful if your application depends on a specific bug fix introduced in a bug-fix release (for example, 6.1.2).
The argc and argv parameters are the main()
function's argc
and argv
parameters. The version parameter is a string literal that specifies which version of Qt the application requires (for example, "6.1.2").
Example:
#include <QApplication> #include <QMessageBox> int main(int argc, char *argv[]) { QT_REQUIRE_VERSION(argc, argv, "4.0.2") QApplication app(argc, argv); ... return app.exec(); }