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Designates a Null Type object. Useful for making a Type variable point to nothing or checking if a Type object exists. Also, useful for checking that there are still objects left on the end of a Type list using the After command.
Can used for testing and setting. See also: Type, New, Delete, After, Before, First, Last. |
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; Null example
Type Alien Field x,y End Type a.Alien = New Alien If a <> Null Then Print "Alien exists!" Delete a if a = Null Then Print "Alien gone!" |