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- <h1>Not</h1>
- <h1>Parameters</h1>
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- None.
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- <h1>Description</h1>
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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.
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- See also: <a class=small href=And.htm>And</a>, <a class=small href=Or.htm>Or</a>, <a class=small href=Xor.htm>Xor</a>.
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- <h1><a href=../2d_examples/Not.bb>Example</a></h1>
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- ; NOT example
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- ; Loop until they press ESC
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- While Not KeyHit(1) ; As long as ESC isn't pressed ...
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- Print "Press ESC to quit!"
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- Wend
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