The preceding example produces results of –11, –9, and –7, respectively. Dim a As Integer = 10ĭim firstPattern, secondPattern, thirdPattern As Integer The bit in the result pattern is set to the reverse of the corresponding bit in the operand pattern, including the sign bit. what this does is close all form except 'exceptthisform' or the mainform. In a foreach loop on a generic list you have modified the list (you have added or removed something).
The following example uses the Not operator to perform logical negation of the individual bits of a numeric expression. For Each Form In My.Application.OpenForms If Form.name <> Me.Name Then Form.Close () End If Next. The preceding example produces results of False and True, respectively. The result is a Boolean value that represents the reverse of the value of the expression. The following example uses the Not operator to perform logical negation on a Boolean expression. For more information, see Operator Procedures. If your code uses this operator on such a class or structure, be sure you understand its redefined behavior.
The Not operator can be overloaded, which means that a class or structure can redefine its behavior when its operand has the type of that class or structure. However, if expression is Decimal, the result is Long. For a bitwise negation, the result data type is the same as that of expression. Data Typesįor a Boolean negation, the data type of the result is Boolean. Since the logical and bitwise operators have a lower precedence than other arithmetic and relational operators, any bitwise operations should be enclosed in parentheses to ensure accurate execution.
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