Not Operator

Description

Used to perform logical negation on an expression.

Syntax

result = Not expression

The Not operator syntax has these parts:

Part	Description

result	Required; any numeric variable.
expression	Required; any expression.

Remarks

The following table illustrates how result is determined:

If expression is	Then result is

True	False
False	True
Null	Null

In addition, the Not operator inverts the bit values of any variable and sets the corresponding bit in result according to the following table:

If bit in expression is	Then bit in result is

0	1
1	0

See Also

Operator precedence.

Example

This example uses the Not operator to perform logical negation on an expression.

Dim A, B, C, D, MyCheck
A = 10: B = 8: C = 6: D = Null    ' Initialize variables.
MyCheck = Not(A > B)                    ' Returns False.
MyCheck = Not(B > A)                    ' Returns True.
MyCheck = Not(C > D)                    ' Returns Null.
MyCheck = Not A                            ' Returns -11 (bitwise comparison).