Referenz - ONCE

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  - D
    - DATA
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    - DEFINED
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  - E
    - ELSE
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    - ENUM
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    - EXEC
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    - EXP
    - EXPLICIT
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  - F
    - FALSE
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  - G
    - GET (Datei)
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  - H
    - HEX
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  - I
    - IF (Meta)
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    - IMP
    - IMPLEMENTS
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    - INPUT (Anweisung)
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    - INT
    - INTEGER
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  - K
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  - L
    - LANG (Meta)
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  - M
    - MACRO (Meta)
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  - N
    - NAKED
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  - O
    - OBJECT
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    - ON ... GOTO
    - ON ERROR
    - ONCE
    - OPEN (Anweisung)
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    - OUTPUT
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  - P
    - PAINT
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    - PRAGMA (Meta)
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    - PUBLIC (UDT)
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  - R
    - RANDOM
    - RANDOMIZE
    - READ
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    - REDIM
    - REM
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    - RESUME
    - RETURN
    - RGB
    - RGBA
    - RIGHT
    - RMDIR
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    - RSET
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  - S
    - SADD
    - SCOPE
    - SCREEN (Anweisung)
    - SCREEN (Funktion)
    - SCREENCONTROL
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    - SCREENGLPROC
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    - SECOND
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    - SELECT CASE
    - SETDATE
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    - SGN
    - SHARED
    - SHELL
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    - SHORT
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    - SINGLE
    - SIZEOF
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    - STATIC (Anweisung)
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    - STR
    - STRIG
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  - T
    - TAB
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    - THREADCALL
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    - TIME
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    - TO
    - TRANS
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  - U
    - UBOUND
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    - UNLOCK
    - UNSIGNED
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    - USING (Namespace)
  - V
    - VAL
    - VAL64
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    - VAR
    - VARPTR
    - VA_ARG
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    - VIEW (Grafik)
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    - VIRTUAL
  - W
    - WAIT
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    - WHILE ... WEND
    - WIDTH (Anweisung)
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  - X
    - XOR (Methode)
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  - Y
    - YEAR
  - Z
    - ZSTRING
  - Metabefehle
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    - __FILE_NQ__
    - __FILE__
    - __FUNCTION_NQ__
    - __FUNCTION__
    - __LINE__
    - __PATH__
    - __TIME__
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Syntax: #INCLUDE ONCE "Datei"
Typ: Schlüsselwort
Kategorie: Metabefehle

#INCLUDE ONCE bindet eine Datei in den Quellcode ein, verhindert dabei aber, dass die Datei mehrfach eingebunden wird.

Beispiel:

#INCLUDE ONCE "windows.bi"

Unterschiede zu QB: ONCE ist neu in FreeBASIC

Siehe auch:
INCLUDE, Präprozessor-Anweisungen

Zusätzliche Informationen und Funktionen

Der Referenzeintrag wurde am 22.07.2007 von PMedia angelegt.
Die aktuellste Version wurde am 27.12.2012 von nemored gespeichert.

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