VBScript Reference Manual for InduSoft Web Studio

InduSoft Web Studio VBScript Reference Manual
Multiplication Operator (*)
Description Multiplies two numbers
Usage result = number1 * number2
Arguments result
Any numeric variable.
number1
Any valid numeric expression.
number2
Any valid numeric expression.
Remarks If one or both expressions are Null expressions, result is Null. If an expression is Empty, it is
treated as if it were 0.
See also Division Operator (/), Integer Division (\)
Example: Dim A, B, C
A = 2 : B = 3
C = A * B ‘ The result C is equal to 6
Not Operator (Not)
Description Performs a logical Not on an expression
Usage result = Not expression
Arguments result
Any variable.
expression
Any valid expression
Returns A logical True or False
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 0
1 1
See also AND Operator, OR Operator, XOR Operator
Example: Dim cond1, cond2, a
cond1 = True
cond2 = Not cond1 ‘ cond2 set to False
Example a = 5 ‘ a = 5 (bit 0000 0000 0000 0101)
a = Not a ‘ a = -6 (bit 1111 1111 1111 1010)
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