Keyword Reference - Alphabetical

From QB64 Wiki

Go to keywords by Usage

Keywords beginning with _ are QB64 specific.

Keywords without the underscore at the beginning should work with both QB 4.5 and QB64.

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QB64 specific keywords:

These _keywords only work when compiled in QB64.

• _ALPHA (function)
• _ALPHA32 (function)
• _AUTODISPLAY (statement)

• _BACKGROUNDCOLOR (function)
• _BIT (numerical type)
• _BLEND (statement)
• _BLEND (function)
• _BLUE (function)
• _BLUE32 (function)
• _BYTE (numerical type)

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• $CHECKING (QB64 C++ Metacommand)
• _CLEARCOLOR (statement)
• _CLEARCOLOR (function)
• _CLIP (PUT graphics option)
• _CLIPBOARD$ (function)
• _CLIPBOARD$ (statement)
• _CONNECTED (function)
• _CONNECTIONADDRESS (function)
• _COPYIMAGE (function)
• _COPYPALETTE (statement)
• _CV (function)

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• _DEFAULTCOLOR (function)
• _DEFINE (statement)
• _DELAY (statement)
• _DEST (statement)
• _DEST (function)
• _DISPLAY (statement)
• _DISPLAY (function)
• _DONTBLEND (statement)
• _DONTWAIT (SHELL action)

• _ERRORLINE (function)
• _EXIT (function)

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• _FLOAT (numerical type)
• _FONT (statement)
• _FONT (function)
• _FONTHEIGHT (function)
• _FONTWIDTH (function)
• _FREEFONT (statement)
• _FREEIMAGE (statement)
• _FREETIMER (function)
• _FULLSCREEN (function)
• _FULLSCREEN (statement)

• _GREEN (function)
• _GREEN32 (function)

• _HEIGHT (function)
• _HIDE (SHELL action)

• _ICON (statement)
• _INTEGER64 (numerical type)

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• _LIMIT (statement)
• _LOADFONT (function)
• _LOADIMAGE (function)

• _MK$ (function)
• _MOUSEBUTTON (function)
• _MOUSEHIDE (statement)
• _MOUSEINPUT (function)
• _MOUSEMOVEMENTX (function)
• _MOUSEMOVEMENTY (function)
• _MOUSESHOW (statement)
• _MOUSEWHEEL (function)
• _MOUSEX (function)
• _MOUSEY (function)

• _NEWIMAGE (function)

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• _OPENCLIENT (function)
• _OPENCONNECTION (function)
• _OPENHOST (function)

• _PALETTECOLOR (statement)
• _PALETTECOLOR (function)
• _PIXELSIZE (function)
• _PRESERVE (REDIM action)
• _PRINTIMAGE (printer statement)
• _PRINTMODE (statement)
• _PRINTMODE (function)
• _PRINTSTRING (statement)
• _PRINTWIDTH (function)
• _PUTIMAGE (statement)

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• _RED (function)
• _RED32 (function)
• _RGB (function)
• _RGB32 (function)
• _RGBA (function)
• _RGBA32 (function)
• _ROUND (function)

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• _SCREENCLICK (statement)
• _SCREENIMAGE (function)
• _SCREENPRINT (statement)
• _SETALPHA (statement)
• _SNDBAL (statement)
• _SNDCLOSE (statement)
• _SNDCOPY (function)
• _SNDGETPOS (function)
• _SNDLEN (function)
• _SNDLIMIT (statement)
• _SNDLOOP (statement)
• _SNDOPEN (function)
• _SNDPAUSE (statement)
• _SNDPAUSED (function)
• _SNDPLAY (statement)
• _SNDPLAYCOPY (statement)
• _SNDPLAYFILE (statement)
• _SNDPLAYING (function)
• _SNDSETPOS (statement)
• _SNDSTOP (statement)
• _SNDVOL (statement)
• _SOURCE (statement)
• _SOURCE (function)

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• _TITLE (statement)

• _UNSIGNED (numerical type)

• _WIDTH (function)

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(Go to Top of QB64 specific keywords)

Original QBasic keywords:

These Qbasic keywords (with a few noted exceptions) will work in QB64.

• ABS (function)
• ABSOLUTE (statement)
• ACCESS (file statement)
• ALIAS
• AND (logic operator)
• AND (boolean)
• ANY
• APPEND (file mode)
• AS
• ASC (function)
• ASC (statement) (QB64)
• ATN (function)

• BASE
• BEEP (statement)
• BINARY (file mode)
• BLOAD (statement)
• BSAVE (statement)
• BYVAL

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• CALL (statement)
• CALL ABSOLUTE (statement)
• CALLS (statement)
• CASE
• CASE ELSE
• CDBL (function)
• CDECL
• CHAIN (statement)
• CHDIR (statement)
• CHR$ (function)
• CINT (function)
• CIRCLE (statement)
• CLEAR (statement)
• CLNG (function)
• CLOSE (statement)
• CLS (statement)
• COLOR (statement)
• COM (statement)
• COMMAND$ (function)
• COMMON (statement)
• COMMON SHARED (statement)
• CONST (statement)
• COS (function)
• CSNG (function)
• CSRLIN (function)
• CVD (function)
• CVDMBF (function)
• CVI (function)
• CVL (function)
• CVS (function)
• CVSMBF (function)

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• DATA (statement)
• DATE$ (function)
• DATE$ (statement)
• DECLARE (BASIC statement)
• DECLARE (non-BASIC statement)
• DEF FN (statement)
• DEF SEG (statement)
• DEFDBL (statement)
• DEFINT (statement)
• DEFLNG (statement)
• DEFSNG (statement)
• DEFSTR (statement)
• DIM (statement)
• DO...LOOP (statement)
• DOUBLE (numerical type)
• DRAW (statement)
• $DYNAMIC (metacommand)

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• ELSE
• ELSEIF
• END (statement)
• END FUNCTION (statement)
• END IF (statement)
• END SELECT (statement)
• END SUB (statement)
• END TYPE (statement)
• ENVIRON (statement)
• ENVIRON$ (function)
• EOF (file function)
• EQV (logic operator)
• ERASE (array statement)
• ERDEV (function)
• ERDEV$ (function)
• ERL (error function)
• ERR (error function)
• ERROR (error statement)
• EXIT (statement)
• EXIT DEF
• EXIT DO (statement)
• EXIT FOR (statement)
• EXIT FUNCTION (statement)
• EXIT SUB (statement)
• EXP (function)

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• FIELD (statement)
• FILEATTR (function)
• FILES (statement)
• FIX (function)
• FOR...NEXT (statement)
• FOR (file statement)
• FRE (function)
• FREEFILE (file function)
• FUNCTION (statement)

• GET (file I/O statement)
• GET (TCP/IP statement) (QB64)
• GET (graphics statement)
• GOSUB (statement)
• GOTO (statement)

• HEX$ (function)

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• IF...THEN (statement)
• IMP (logic operator)
• $INCLUDE (metacommand)
• INKEY$ (function)
• INP (function)
• INPUT (statement)
• INPUT (file mode)
• INPUT (file statement)
• INPUT (TCP/IP statement) (QB64)
• INPUT$ (function)
• INSTR (function)
• INT (function)
• INTEGER (numerical type)
• INTERRUPT (statement)
• INTERRUPTX (statement)
• IOCTL (statement)
• IOCTL$ (function)
• IS

• KEY (statement)
• KEY(n) (statement)
• KILL (statement)

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• LBOUND (function)
• LCASE$ (function)
• LEFT$ (function)
• LEN (function)
• LET (statement)
• LINE (statement)
• LINE INPUT (statement)
• LINE INPUT (file statement)
• LIST
• LOC (function)
• LOCAL
• LOCATE (statement)
• LOCK (statement)
• LOF (function)
• LOG (function)
• LONG (numerical type)
• LOOP
• LPOS (function)
• LPRINT (statement)
• LPRINT USING (statement)
• LSET (statement)
• LTRIM$ (function)

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• MID$ (function)
• MID$ (statement)
• MKD$ (function)
• MKDIR (statement)
• MKDMBF$ (function)
• MKI$ (function)
• MKL$ (function)
• MKS$ (function)
• MKSMBF$ (function)
• MOD

• NAME (statement)
• NEXT
• NOT (logic operator)

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• OCT$ (function)
• OFF
• ON
• ON COM (n) (statement)
• ON ERROR (statement)
• ON KEY (n) (statement)
• ON PEN (statement)
• ON PLAY (n) (statement)
• ON STRIG (n) (statement)
• ON TIMER (n) (statement)
• ON UEVENT (statement)
• ON...GOSUB (statement)
• ON...GOTO (statement)
• OPEN (file I/O statement)
• OPEN COM (statement)
• OPTION BASE (statement)
• OR (logic operator)
• OR (boolean)
• OUT (statement)
• OUTPUT (file mode)

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• PAINT (statement)
• PALETTE (statements)
• PCOPY (statement)
• PEEK (function)
• PEN (function)
• PEN (statement)
• PLAY(n) (function)
• PLAY (music statement)
• PMAP (function)
• POINT (function)
• POKE (statement)
• POS (function)
• PRESET (statement)
• PRINT (statement)
• PRINT (file statement)
• PRINT (TCP/IP statement) (QB64)
• PRINT USING (statement)
• PRINT USING (file statement)
• PSET (statement)
• PUT (file I/O statement)
• PUT (TCP/IP statement) (QB64)
• PUT (graphics statement)

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• RANDOM (file mode)
• RANDOMIZE (statement)
• READ (statement)
• REDIM (statement)
• REM (statement)
• RESET (statement)
• RESTORE (statement)
• RESUME (statement)
• RETURN (statement)
• RIGHT$ (function)
• RMDIR (statement)
• RND (function)
• RSET (statement)
• RTRIM$ (function)
• RUN (statement)

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• SADD (function)
• SCREEN (function)
• SCREEN (statement)
• SEEK (function)
• SEEK (statement)
• SELECT CASE (statement)
• SETMEM (function)
• SGN (function)
• SHARED (statement)
• SHELL (statement)
• SIGNAL
• SIN (function)
• SINGLE (numerical type)
• SLEEP (statement)
• SOUND (statement)
• SPACE$ (function)
• SPC (function)
• SQR (function)
• STATIC (statement)
• $STATIC (metacommand)
• STEP
• STICK (function)
• STOP (statement)
• STR$ (function)
• STRIG (function)
• STRIG (statements)
• STRING (textual type)
• STRING$ (function)
• SUB (statement)
• SWAP (statement)
• SYSTEM (statement)

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• TAB (function)
• TAN (function)
• THEN
• TIME$ (function)
• TIME$ (statement)
• TIMER (function)
• TIMER (statement)
• TROFF (statement)
• TRON (statement)
• TYPE (statement)

• UBOUND (function)
• UCASE$ (function)
• UEVENT (statement)
• UNLOCK (statement)
• UNTIL

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• VAL (function)
• VARPTR (function)
• VARPTR$ (function)
• VARSEG (function)
• VIEW (graphics statement)
• VIEW PRINT (statement)

• WAIT (statement)
• WEND (statement)
• WHILE (statement)
• WHILE...WEND (statement)
• WIDTH (statement)
• WINDOW (statement)
• WRITE (screen I/O statement)
• WRITE (file statement)

• XOR (logic operator)

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Symbols:

QB64 and QB Symbols: [Note: All symbols below can also be used inside of literal strings except for quotation marks!]

Print or file Formatting

•  ; (Semicolon after a PRINT stops the invisible cursor at end of the printed value.)
• , (Comma after a PRINT tabs the invisible cursor past the end of the printed value.)

Program Code Markers

• ' (Apostrophe denotes programmer comment, ignore code line or Metacommand. Same as using REM.)
• , (SUB or FUNCTION parameter separator. DATA value separator)
•  : (Colons can be used to separate two statements on one code line.)
• () (math or conditional procedure order, a SUB or FUNCTION parameter holder or pass by value indicator)
• $ (prefix denotes a Qbasic Metacommand. REM or ' precede the commands)

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Variable Name Type Suffixes

• $ (STRING character type: 1 byte)
• ~ (_UNSIGNED numerical type when it precedes the 8 numerical suffixes below:) [QB64]
•  % (INTEGER numerical type: 2 bytes)
• & (LONG numerical type: 4 bytes)
• && (_INTEGER64 numerical type: 8 bytes) [QB64] (32 or 64 bit PC only)
•  ! (SINGLE numerical type: 4 bytes)
• # (DOUBLE numerical type: 8 bytes)
• ## (_FLOAT numerical type: 32 bytes) [QB64]
• ` (_BIT numerical type: 1 bit.) [QB64] (Key below tilde(~): CHR$(96))
• %% (_BYTE numerical type: 1 byte) [QB64]

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Numerical Base Prefixes

• &B (Binary base 2 Digits 0 or 1) [QB64]
• &O (Octal base 8 Digits 0 to 7)
• &H (Hexadecimal base 16: Digits 0 to F)

Mathematical Operations

• + (Addition operator)
• - (Subtraction operator or sign)
• * (Multiplication operator)
• / (Normal division operator)
• \ (Long integer division operator)
• ^ (Exponential operator)
• MOD (Integer remainder division)

Relational Operations

• = (Equal to condition)
• > (Greater than condition)
• < (Less than condition)
• <> (Not equal to condition)
• >= (Greater than or equal to condition)
• <= (Less than or equal to condition)

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References:

(Go to QB64 specific keywords)

(Go to Top of Original QB keywords)

(Go to keywords by Usage)

(Go to WIKI Main Page)

Got a question about something?

Visit the QB64 FAQ

Visit the QB64 Main Site

Visit QB64 Community Forum

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