Passing extra arguments to Qt slots

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signal and slot qt The processing function then calls the callback when appropriate In Qt, there is an alternative to the callback technique: signals and slots A signal is  Below are some suggestions for troubleshooting signals and slots in the Qt C++ library 1 Check for compiler warnings about non-existent  signal или slot, могут вызывать предупреждения или ошибки Эта опция говорит Qt не определять ключевые слова moc'a — signals, slots

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