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The NOT operator is used to determine if a condition is FALSE instead of TRUE. This is frequently used in WHILE loops and IF statements to check for the NON-EXISTANCE of an event or value. We use NOT frequently in our examples, inside WHILE loops to test if the ESC key has been pressed.
See also: And, Or, Xor. |
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; NOT example
; Loop until they press ESC While Not KeyHit(1) ; As long as ESC isn't pressed ... Print "Press ESC to quit!" Wend |