X or (operator)

Syntax expression1 Xor expression2
Description Performs a logical or binary exclusion on two expressions.
Comments If both expressions are either Boolean, Boolean variants, or NULL variants, then a logical exclusion is performed as follows:
If the first expression is and the second expression is then the result is
TRUE TRUE FALSE
TRUE FALSE TRUE
FALSE TRUE TRUE
FALSE FALSE FALSE
If either expression is Null , then Null is returned. Binary Exclusion If the two expressions are Integer, then a binary exclusion is performed, returning an Integer result. All other numeric types (including Empty variants) are converted to Long, and a binary exclusion is then performed, returning a Long result. Binary exclusion forms a new value based on a bit-by-bit comparison of the binary representations of the two expressions according to the following table:
1 Xor 1 = 0 Example
0 Xor 1 = 1 5 01101001
1 Xor 0 = 1 6 10101010
0 Xor 0 = 0 Xor  11000011
Example This example builds a logic table for the XOR function and displays it. 
Const crlf = Chr$(13) + Chr$(10)
Sub Main()
  msg1 = "Logic table for Xor:" & crlf & crlf
  For x = -1 To 0
    For y = -1 To 0
      z = x Xor y
      msg1 = msg1 & CBool(x) & " Xor "
      msg1 = msg1 & CBool(y) & " = "
      msg1 = msg1 & CBool(z) & crlf
    Next y
  Next x
  MsgBox msg1
End Sub
See Also Operator Precedence (topic); Or (operator); Eqv (operator); Imp (operator); And (operator).