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Syntax
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Expression1
Eqv
expression2
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Description
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Performs a logical or binary equivalence on two expressions.
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Comments
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If both expressions are either
Boolean
,
Boolean
variants, or
Null
variants, then a logical equivalence is performed as follows:
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If the first
expression is
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and the second
expression is
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then the
result is
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TRUE
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TRUE
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TRUE
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TRUE
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FALSE
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FALSE
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FALSE
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TRUE
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FALSE
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FALSE
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FALSE
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TRUE
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If either expression is
Null
, then
Null
is returned.
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Binary Equivalence
If the two expressions are Integer, then a binary equivalence is performed, returning an Integer result. All other numeric types (including Empty variants) are converted to Long and a binary equivalence is then performed, returning a Long result.
Binary equivalence forms a new value based on a bit-by-bit comparison of the binary representations of the two expressions, according to the following table:
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1
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Eqv
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1
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=
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1
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Example
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0
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Eqv
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1
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=
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0
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5 01101001
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1
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Eqv
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0
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=
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0
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6 10101010
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0
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Eqv
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0
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=
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1
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Eqv 00101000
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Example
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This example assigns False to A, performs some equivalent operations, and displays a dialog box with the result. Since A is equivalent to False, and False is equivalent to 0, and by definition,
A = 0, then the dialog box will display "A is False."
Sub Main()
a = False
If ((a Eqv False) And (False Eqv 0) And (a = 0)) Then
MsgBox "a is False."
Else
MsgBox "a is True."
End If
End Sub
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See Also
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Operator Precedence (topic); Or (operator); Xor (operator); Imp (operator); And (operator).
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