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Логические операторы VB Теперь одна из переменных будет False по умолчанию. Теперь сообщение НЕ выскочит, т.к. пользователь не очень счастливый, имея машину ИЛИ компьютер. Следующий оператор не менее простой - Or. Help: Выполняет операцию логического ИЛИ (сложения) для двух выражений. Синтаксис: результат = выражение1 Or выражение2 Результат будет истинным только в том случае, если только одно из выражений истинно. Возвращаемые оператором значения представлены в следующей таблице: выражение1 выражение1 результат rue rue rue rue False rue rue ull rue False rue rue False False False False ull ull ull rue rue ull False ull ull ull ull И снова маленький пример с прежними булевыми перменными User Has Compu er и User Has Car, которые в процессе каких-нибудь действий приняли значения либо rue либо False. Dim User Has Compu er As Boolea Dim User Has Car As Boolea User Has Compu er = False User Has Car = rue If User Has Compu er Or User Has Car he MsgBox "Вы почти счастливый человек!" E d If При проверки данного условия на экран выскочит сообщение, извещающие, что пользователь почти счастливый человек, т.к. у него есть машинa, но нет компьютера :- . Оператор o . Help: Выполняет над выражением операцию логического отрицания. | |
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