Performs logical negation on an expression.
result =Not expression 
Arguments
 result

Any numeric variable.
 expression

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:
Bit in expression  Bit in result 

0 
1 
1 
0 
Requirements
See Also
Reference
And OperatorOperator Precedence (VBScript)
Or Operator
Xor Operator