Referenz - IFNDEF (Meta)

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Syntax: #IFNDEF Symbol
Typ: Metabefehl
Kategorie: Metabefehle

#IFNDEF Symbol ist die verkürzte Form von

#IF NOT DEFINED(Symbol)

Symbol darf jede Art von Symbol sein, auch eines, das mit CONST erstellt wurde.

Unterschiede zu QB: neu in FreeBASIC

Siehe auch:
#IFDEF, #IF, Präprozessoren, Präprozessor-Anweisungen

Zusätzliche Informationen und Funktionen

Der Referenzeintrag wurde am 29.07.2007 von Sebastian angelegt.
Die aktuellste Version wurde am 27.12.2012 von nemored gespeichert.

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