FreeBASIC Manual

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Table of contents

Table of Contents
Welcome to FreeBASIC
Getting Help with FreeBASIC
Language Documentation
- Keywords - Alphabetical
  - Operators
  - .
    - ...
  - _
    - __DATE__
    - __Date_Iso__
    - __Fb_64Bit__
    - __FB_ARGC__
    - __FB_ARGV__
    - __Fb_Arm__
    - __Fb_Asm__
    - __Fb_Backend__
    - __FB_BIGENDIAN__
    - __FB_BUILD_DATE__
    - __FB_CYGWIN__
    - __FB_DARWIN__
    - __FB_DEBUG__
    - __FB_DOS__
    - __FB_ERR__
    - __Fb_Fpmode__
    - __Fb_Fpu__
    - __FB_FREEBSD__
    - __Fb_Gcc__
    - __FB_LANG__
    - __FB_LINUX__
    - __FB_MAIN__
    - __FB_MIN_VERSION__
    - __FB_MT__
    - __FB_NETBSD__
    - __FB_OPENBSD__
    - __FB_OPTION_BYVAL__
    - __FB_OPTION_DYNAMIC__
    - __FB_OPTION_ESCAPE__
    - __FB_OPTION_EXPLICIT__
    - __Fb_Option_Gosub__
    - __FB_OPTION_PRIVATE__
    - __FB_OUT_DLL__
    - __FB_OUT_EXE__
    - __FB_OUT_LIB__
    - __FB_OUT_OBJ__
    - __Fb_Pcos__
    - __FB_SIGNATURE__
    - __FB_SSE__
    - __Fb_Unix__
    - __Fb_Vectorize__
    - __FB_VER_MAJOR__
    - __FB_VER_MINOR__
    - __FB_VER_PATCH__
    - __FB_VERSION__
    - __FB_WIN32__
    - __FB_XBOX__
    - __FILE__
    - __FILE_NQ__
    - __FUNCTION__
    - __FUNCTION_NQ__
    - __LINE__
    - __PATH__
    - __TIME__
  - #
    - #Assert
    - #define
    - #else
    - #elseif
    - #endif
    - #endmacro
    - #error
    - #if
    - #ifdef
    - #ifndef
    - #inclib
    - #include
    - #lang
    - #libpath
    - #line
    - #macro
    - #pragma
    - #print
    - #undef
  - $
    - $Dynamic
    - $Include
    - $Static
    - $Lang
  - A
    - Abs
    - Abstract (Member)
    - Access
    - Acos
    - Add (Graphics Put)
    - Alias
    - Allocate
    - Alpha (Graphics Put)
    - And
    - AndAlso
    - And (Graphics Put)
    - Any
    - Append
    - As
    - Assert
    - AssertWarn
    - Asc
    - Asin
    - Asm
    - Atan2
    - Atn
  - B
    - Base (Initialization)
    - Base (Member Access)
    - Beep
    - Bin
    - Binary
    - Bit
    - BitReset
    - BitSet
    - BLoad
    - Boolean
    - BSave
    - Byref (Parameters)
    - Byref (Function Results)
    - Byte
    - ByVal
  - C
    - Call
    - CAllocate
    - Case
    - Cast
    - Cbool
    - CByte
    - CDbl
    - cdecl
    - Chain
    - ChDir
    - Chr
    - CInt
    - Circle
    - Class
    - Clear
    - CLng
    - CLngInt
    - Close
    - Cls
    - Color
    - Command
    - Common
    - CondBroadcast
    - CondCreate
    - CondDestroy
    - CondSignal
    - CondWait
    - Const
    - Const (Member)
    - Const (Qualifier)
    - Constructor
    - Constructor (Module)
    - Continue
    - Cos
    - CPtr
    - CShort
    - CSign
    - CSng
    - CsrLin
    - CUByte
    - CUInt
    - CULng
    - CULngInt
    - CUnsg
    - CurDir
    - CUShort
    - Custom (Graphics Put)
    - CVD
    - CVI
    - CVL
    - CVLongInt
    - CVS
    - CVShort
  - D
    - Data
    - Date
    - DateAdd
    - DateDiff
    - DatePart
    - DateSerial
    - DateValue
    - Day
    - Deallocate
    - Declare
    - DefByte
    - DefDbl
    - defined
    - DefInt
    - DefLng
    - Deflongint
    - DefShort
    - DefSng
    - DefStr
    - DefUByte
    - DefUInt
    - Defulongint
    - DefUShort
    - Delete
    - Destructor
    - Destructor (Module)
    - Dim
    - Dir
    - Do
    - Do...Loop
    - Double
    - Draw
    - Draw String
    - DyLibFree
    - DyLibLoad
    - DyLibSymbol
  - E
    - Else
    - ElseIf
    - Encoding
    - End (Block)
    - End (Statement)
    - End If
    - Enum
    - Environ Statement
    - Environ
    - EOF
    - Eqv
    - Erase
    - Erfn
    - Erl
    - Ermn
    - Err
    - Error
    - Event (Message Data From Screenevent)
    - Exec
    - ExePath
    - Exit
    - Exp
    - Export
    - Extends
    - Extern
    - Extern...End Extern
  - F
    - False
    - Field
    - FileAttr
    - FileCopy
    - FileDateTime
    - FileExists
    - FileLen
    - Fix
    - Flip
    - For
    - For...Next
    - Format
    - Frac
    - Fre
    - FreeFile
    - Function
    - Function (Member)
  - G
    - Get (Graphics)
    - Get # (File I/O)
    - GetJoystick
    - GetKey
    - GetMouse
    - GoSub
    - Goto
  - H
    - Hex
    - HiByte
    - HiWord
    - Hour
  - I
    - If...Then
    - IIf
    - ImageConvertRow
    - ImageCreate
    - ImageDestroy
    - ImageInfo
    - Imp
    - Implements
    - Import
    - Inkey
    - Inp
    - Input (Statement)
    - Input (File I/O)
    - Input #
    - Input$
    - InStr
    - InStrRev
    - Int
    - Integer
    - Is (Select Case)
    - Is (Run-Time Type Information Operator)
    - IsDate
    - Isredirected
  - K
    - Kill
  - L
    - LBound
    - LCase
    - Left
    - Len
    - Let
    - Lib
    - Line
    - Line Input
    - Line Input #
    - LoByte
    - LOC
    - Local
    - Locate
    - Lock
    - LOF
    - Log
    - Long
    - LongInt
    - Loop
    - LoWord
    - Lpos
    - LPrint
    - LSet
    - LTrim
  - M
    - Mid (Statement)
    - Mid (Function)
    - Minute
    - MKD
    - MkDir
    - MKI
    - MKL
    - MKLongInt
    - MKS
    - MKShort
    - Mod
    - Month
    - MonthName
    - MultiKey
    - MutexCreate
    - MutexDestroy
    - MutexLock
    - MutexUnlock
  - N
    - Naked
    - Name
    - Namespace
    - Next
    - New
    - New (Placement)
    - Next (Resume)
    - Not
    - Now
  - O
    - Object
    - Oct
    - OffsetOf
    - On Error
    - On...Gosub
    - On...Goto
    - Once
    - Open
    - Open Com
    - Open Cons
    - Open Err
    - Open Lpt
    - Open Pipe
    - Open Scrn
    - Operator
    - Option()
    - Option Base
    - Option ByVal
    - Option Dynamic
    - Option Escape
    - Option Explicit
    - Option Gosub
    - Option Nogosub
    - Option NoKeyword
    - Option Private
    - Option Static
    - Or
    - Or (Graphics Put)
    - OrElse
    - Out
    - Output
    - Overload
    - Override
  - P
    - Paint
    - Palette
    - pascal
    - PCopy
    - Peek
    - PMap
    - Point
    - Pointcoord
    - Pointer
    - Poke
    - Pos
    - Preserve
    - PReset
    - Print
    - ?
    - Print #
    - ? #
    - Print Using
    - ? Using
    - Private
    - Private: (Access Control)
    - ProcPtr
    - Property
    - Protected: (Access Control)
    - Pset (Statement)
    - Pset (Graphics Put)
    - Ptr
    - Public
    - Public: (Access Control)
    - Put (Graphics)
    - Put # (File I/O)
  - R
    - Random
    - Randomize
    - Read
    - Read (File Access)
    - Read Write (File Access)
    - Reallocate
    - ReDim
    - Rem
    - Reset
    - Restore
    - Resume
    - Resume Next
    - Return
    - RGB
    - RGBA
    - Right
    - RmDir
    - Rnd
    - RSet
    - RTrim
    - Run
  - S
    - SAdd
    - Scope
    - Screen
    - Screen (Console)
    - ScreenCopy
    - ScreenControl
    - ScreenEvent
    - ScreenInfo
    - ScreenGLProc
    - ScreenList
    - ScreenLock
    - ScreenPtr
    - ScreenRes
    - ScreenSet
    - ScreenSync
    - ScreenUnlock
    - Second
    - Seek (Statement)
    - Seek (Function)
    - Select Case
    - SetDate
    - SetEnviron
    - SetMouse
    - SetTime
    - Sgn
    - Shared
    - Shell
    - Shl
    - Shr
    - Short
    - Sin
    - Single
    - SizeOf
    - Sleep
    - Space
    - Spc
    - Sqr
    - Static
    - Static (Member)
    - stdcall
    - Step
    - Stick
    - Stop
    - Str
    - Strig
    - String (Function)
    - String
    - StrPtr
    - Sub
    - Sub (Member)
    - Swap
    - System
  - T
    - Tab
    - Tan
    - Then
    - This
    - Threadcall
    - ThreadCreate
    - Threaddetach
    - ThreadWait
    - Time
    - TimeSerial
    - TimeValue
    - Timer
    - To
    - Trans (Graphics Put)
    - Trim
    - True
    - Type (Alias)
    - Type (Temporary)
    - Type (Udt)
    - TypeOf
  - U
    - UBound
    - UByte
    - UCase
    - UInteger
    - Ulong
    - ULongInt
    - Union
    - Unlock
    - Unsigned
    - Until
    - UShort
    - Using (Print)
    - Using (Namespaces)
  - V
    - va_arg
    - va_first
    - va_next
    - Val
    - ValLng
    - ValInt
    - ValUInt
    - ValULng
    - Var
    - VarPtr
    - View Print
    - View (Graphics)
    - Virtual (Member)
  - W
    - Wait
    - WBin
    - WChr
    - Weekday
    - WeekdayName
    - Wend
    - While
    - While...Wend
    - WHex
    - Width
    - Window
    - WindowTitle
    - WInput
    - With
    - WOct
    - Write
    - Write #
    - Write (File Access)
    - WSpace
    - WStr
    - Wstring (Data Type)
    - Wstring (Function)
  - X
    - Xor
    - Xor (Graphics Put)
  - Y
    - Year
  - Z
    - ZString
- Keywords - Functional
  - Arrays
    - Erase
    - LBound
    - ReDim
    - Preserve
    - UBound
  - Bit manipulation
    - Bit
    - BitReset
    - BitSet
    - HiByte
    - HiWord
    - LoByte
    - LoWord
  - Compiler switches
    - DefByte
    - DefDbl
    - DefInt
    - DefLng
    - Deflongint
    - DefShort
    - DefSng
    - DefStr
    - DefUByte
    - DefUInt
    - Defulongint
    - DefUShort
    - Option Base
    - Option ByVal
    - Option Dynamic
    - Option Escape
    - Option Explicit
    - Option Gosub
    - Option Nogosub
    - Option NoKeyword
    - Option Private
    - Option Static
  - Console
    - Beep
    - Cls
    - Color
    - CsrLin
    - Locate
    - Open Cons
    - Open Err
    - Open Pipe
    - Open Scrn
    - Pos
    - Print
    - ?
    - Print Using
    - ? Using
    - Screen (Console)
    - Spc
    - Tab
    - View (Console)
    - Width
    - Write
  - Data types and declarations
    - Boolean
    - Byte
    - As
    - Dim
    - Const
    - Const (Qualifier)
    - Double
    - Enum
    - Extends
    - Integer
    - Long
    - LongInt
    - Object
    - Scope
    - Shared
    - Short
    - String
    - Single
    - Static
    - Type
    - Type (Alias)
    - Type (Temporary)
    - UByte
    - UInteger
    - Ulong
    - ULongInt
    - Union
    - Unsigned
    - UShort
    - Var
    - With
    - WString
    - ZString
  - Date and time
    - Date
    - DateAdd
    - DateDiff
    - DatePart
    - DateSerial
    - DateValue
    - Day
    - Hour
    - IsDate
    - Minute
    - Month
    - MonthName
    - Now
    - Second
    - SetDate
    - SetTime
    - Time
    - TimeSerial
    - TimeValue
    - Timer
    - Year
    - Weekday
    - WeekdayName
  - Debug support
    - Assert
    - AssertWarn
    - Stop
  - Error handling
    - Erfn
    - Erl
    - Ermn
    - Err
    - Error
    - Local
    - On Error
    - Resume
    - Resume Next
  - Files
    - Access
    - Append
    - Binary
    - BLoad
    - BSave
    - Close
    - Encoding
    - EOF
    - FreeFile
    - Get # (File I/O)
    - Input (File I/O)
    - Input #
    - Line Input #
    - LOC
    - Lock
    - LOF
    - Open
    - Output
    - Print #
    - ? #
    - Put # (File I/O)
    - Random
    - Read (File Access)
    - Read Write (File Access)
    - Reset
    - Seek (Statement)
    - Seek (Function)
    - Unlock
    - Write #
    - Write (File Access)
  - Graphics
    - Add (Graphics Put)
    - Alpha (Graphics Put)
    - And (Graphics Put)
    - Circle
    - Cls
    - Color
    - Custom (Graphics Put)
    - Draw
    - Draw String
    - Event (Message Data From Screenevent)
    - Flip
    - Get (Graphics)
    - ImageConvertRow
    - ImageCreate
    - ImageDestroy
    - ImageInfo
    - Line
    - Or (Graphics Put)
    - Paint
    - Palette
    - PCopy
    - PMap
    - Point
    - Pointcoord
    - PReset
    - PSet
    - Pset (Graphics Put)
    - Put (Graphics)
    - RGB
    - RGBA
    - Screen
    - ScreenControl
    - ScreenCopy
    - ScreenEvent
    - ScreenInfo
    - ScreenGLProc
    - ScreenList
    - ScreenLock
    - ScreenPtr
    - ScreenRes
    - ScreenSet
    - ScreenSync
    - ScreenUnlock
    - Trans (Graphics Put)
    - View (Graphics)
    - Window
    - Xor (Graphics Put)
  - Hardware access
    - Inp
    - Out
    - Wait
    - Open Com
    - Open Lpt
    - Lpt
    - Lpos
    - LPrint
  - Assignment Operators
    - =[>] (Assignment)
    - &= (Concatenate And Assign)
    - += (Add And Assign)
    - -= (Subtract And Assign)
    - *= (Multiply And Assign)
    - /= (Divide And Assign)
    - \= (Integer Divide And Assign)
    - ^= (Exponentiate And Assign)
    - Mod= (Modulus And Assign)
    - And= (Conjunction And Assign)
    - Eqv= (Equivalence And Assign)
    - Imp= (Implication And Assign)
    - Or= (Inclusive Disjunction And Assign)
    - Xor= (Exclusive Disjunction And Assign)
    - Shl= (Shift Left And Assign)
    - Shr= (Shift Right And Assign)
    - Let (Assignment)
    - Let() (Assignment)
  - Arithmetic Operators
    - + (Add)
    - - (Subtract)
    - * (Multiply)
    - / (Divide)
    - \ (Integer Divide)
    - ^ (Exponentiate)
    - Mod (Modulus)
    - - (Negate)
    - Shl (Shift Left)
    - Shr (Shift Right)
  - Bitwise operators
    - And
    - Eqv
    - Imp
    - Or
    - Not
    - Xor
  - Short Circuit operators
    - AndAlso
    - OrElse
  - Math
    - Abs
    - Acos
    - Asin
    - Atan2
    - Atn
    - Cos
    - Exp
    - Fix
    - Frac
    - Int
    - Log
    - Randomize
    - Rnd
    - Sgn
    - Sin
    - Sqr
    - Tan
  - Memory
    - Allocate
    - CAllocate
    - Clear
    - Deallocate
    - Field
    - Fre
    - Peek
    - Poke
    - Reallocate
  - Meta Commands
    - $Dynamic
    - $Static
    - $Include
    - $Lang
  - Miscellaneous
    - Asm
    - Data
    - End (Block)
    - Is (Run-Time Type Information Operator)
    - Let
    - OffsetOf
    - Option()
    - To
    - Read
    - Rem
    - Restore
    - SizeOf
    - Swap
    - TypeOf
  - Modularizing
    - Common
    - DyLibFree
    - DyLibLoad
    - DyLibSymbol
    - Export
    - Extern
    - Extern...End Extern
    - Import
    - Namespace
    - Private
    - Public
    - Using (Namespaces)
  - Multithreading
    - CondBroadcast
    - CondCreate
    - CondDestroy
    - CondSignal
    - CondWait
    - MutexCreate
    - MutexDestroy
    - MutexLock
    - MutexUnlock
    - Threadcall
    - ThreadCreate
    - Threaddetach
    - ThreadWait
  - OS / shell
    - Chain
    - ChDir
    - Command
    - CurDir
    - Dir
    - End (Statement)
    - Environ
    - Exec
    - ExePath
    - FileAttr
    - FileCopy
    - FileDateTime
    - FileExists
    - FileLen
    - Isredirected
    - Kill
    - MkDir
    - Name
    - RmDir
    - Run
    - SetEnviron
    - Shell
    - System
    - WindowTitle
  - Pointers
    - Pointer
    - ProcPtr
    - Ptr
    - SAdd
    - StrPtr
    - VarPtr
  - Predefined symbols
    - __DATE__
    - __Date_Iso__
    - __Fb_64Bit__
    - __FB_ARGC__
    - __FB_ARGV__
    - __Fb_Arm__
    - __FB_BIGENDIAN__
    - __FB_BUILD_DATE__
    - __FB_CYGWIN__
    - __FB_DARWIN__
    - __FB_DEBUG__
    - __FB_DOS__
    - __FB_ERR__
    - __FB_FREEBSD__
    - __FB_LANG__
    - __FB_LINUX__
    - __FB_MAIN__
    - __FB_MIN_VERSION__
    - __FB_NETBSD__
    - __FB_OPENBSD__
    - __FB_OPTION_BYVAL__
    - __FB_OPTION_DYNAMIC__
    - __FB_OPTION_ESCAPE__
    - __FB_OPTION_EXPLICIT__
    - __Fb_Option_Gosub__
    - __FB_OPTION_PRIVATE__
    - __FB_OUT_DLL__
    - __FB_OUT_EXE__
    - __FB_OUT_LIB__
    - __FB_OUT_OBJ__
    - __FB_SIGNATURE__
    - __FB_SSE__
    - __FB_VERSION__
    - __FB_VER_MAJOR__
    - __FB_VER_MINOR__
    - __FB_VER_PATCH__
    - __FB_WIN32__
    - __FB_XBOX__
    - __FILE__
    - __FILE_NQ__
    - __FUNCTION__
    - __FUNCTION_NQ__
    - __FB_MT__
    - __LINE__
    - __PATH__
    - __TIME__
    - False
    - True
  - Preprocessor
    - #Assert
    - #define
    - #else
    - #elseif
    - #endif
    - #endmacro
    - #error
    - #if
    - #ifdef
    - #ifndef
    - #inclib
    - #include
    - #libpath
    - #lang
    - #line
    - #macro
    - #pragma
    - #print
    - #undef
    - defined
    - Once
  - Procedures
    - ...
    - Abstract (Member)
    - Alias
    - Any
    - Base (Initialization)
    - Base (Member Access)
    - Byref (Parameters)
    - Byref (Function Results)
    - ByVal
    - Call
    - cdecl
    - Const (Member)
    - Constructor
    - Constructor (Module)
    - Destructor
    - Destructor (Module)
    - Declare
    - Function
    - Function (Member)
    - Lib
    - Naked
    - Operator
    - Overload
    - Override
    - pascal
    - Private (Member)
    - Protected (Member)
    - Property
    - Public (Member)
    - Static (Member)
    - Sub
    - Sub (Member)
    - stdcall
    - This
    - va_arg
    - va_first
    - va_next
    - Virtual (Member)
  - Program flow
    - Continue
    - Case
    - Do
    - Do...Loop
    - Else
    - ElseIf
    - End If
    - Exit
    - GoSub
    - Goto
    - If...Then
    - IIf
    - Is (Select Case)
    - For
    - For...Next
    - Loop
    - Next
    - On...Gosub
    - On...Goto
    - Return
    - Select Case
    - Sleep
    - Step
    - Then
    - Until
    - Wend
    - While
    - While...Wend
  - String functions
    - InStr
    - InStrRev
    - LCase
    - Left
    - Len
    - LSet
    - LTrim
    - Mid (Statement)
    - Mid (Function)
    - Right
    - RSet
    - RTrim
    - Space
    - String (Function)
    - Trim
    - UCase
    - WSpace
    - Wstring (Function)
  - String and number conversion
    - Asc
    - Bin
    - Chr
    - CVD
    - CVI
    - CVL
    - CVLongInt
    - CVS
    - CVShort
    - Format
    - Hex
    - MKD
    - MKI
    - MKL
    - MKLongInt
    - MKS
    - MKShort
    - Oct
    - Str
    - Val
    - ValLng
    - ValInt
    - ValUInt
    - ValULng
    - WBin
    - WChr
    - WHex
    - WOct
    - WStr
  - Type casting/conversion
    - Cast
    - Cbool
    - CByte
    - CDbl
    - CInt
    - CLng
    - CLngInt
    - CPtr
    - CShort
    - CSign
    - CSng
    - CUByte
    - CUInt
    - CULng
    - CULngInt
    - CUnsg
    - CUShort
  - User input
    - GetJoystick
    - GetKey
    - GetMouse
    - Inkey
    - Input
    - Input (Statement)
    - Line Input
    - MultiKey
    - SetMouse
    - Stick
    - Strig
    - WInput
- Graphics Keywords
  - Add
  - Alpha
  - And (Graphics Put)
  - BLoad
  - BSave
  - Circle
  - Color
  - Custom
  - Draw
  - Draw String
  - Event (Message Data From Screenevent)
  - Flip
  - ImageConvertRow
  - ImageCreate
  - ImageDestroy
  - ImageInfo
  - Get (Graphics)
  - GetJoystick
  - GetMouse
  - Inp
  - Line (Graphics)
  - MultiKey
  - Out
  - Or (Graphics Put)
  - Paint
  - Palette
  - PCopy
  - PMap
  - Point
  - Pointcoord
  - PReset
  - PSet
  - Pset (Graphics Put)
  - Put (Graphics)
  - RGB
  - RGBA
  - Screen (Graphics)
  - ScreenControl
  - ScreenCopy
  - ScreenEvent
  - ScreenGLProc
  - ScreenInfo
  - ScreenList
  - ScreenLock
  - ScreenPtr
  - ScreenRes
  - ScreenSet
  - ScreenSync
  - ScreenUnlock
  - SetMouse
  - Trans
  - View (Graphics)
  - Wait
  - Window
  - WindowTitle
  - Xor (Graphics Put)
- Operators List
- Variables and Data Types
  - Variable Declarations
    - Dim
    - Const
    - Scope
    - Static
    - Shared
    - Var
  - User Defined Types
  - Standard Data Types
    - Integer types
      - Byte
      - UByte
      - Short
      - UShort
      - Long
      - Ulong
      - Integer
      - UInteger
      - LongInt
      - ULongInt
    - Floating-point types
      - Single
      - Double
    - Boolean types
      - Boolean
    - Data Type Modifiers
      - Const
      - Pointer
      - Ptr
      - Unsigned
    - String types
      - String
      - ZString
      - WString
    - Class types
      - Object
  - Standard Data Type Limits
  - Converting Between Data Types
    - Generic conversions
      - Cast
      - CPtr
    - Conversions to integral types
      - CByte
      - CUByte
      - CShort
      - CUShort
      - CLng
      - CULng
      - CInt
      - CUInt
      - CLngInt
      - CULngInt
      - CSign
      - CUnsg
    - Conversions to floating-point types
      - CSng
      - CDbl
    - Conversions to/from string types
      - Str
      - WStr
      - Val
      - ValInt
      - ValUInt
      - ValLng
      - ValULng
    - Conversion to boolean types
      - Cbool
- Operators
- Statements
  - Control Flow
  - Procedures
    - Declaration
      - Declare
      - Sub
      - Function
      - Overload
      - Static
      - Const (Member)
      - Static (Member)
    - Linkage
      - Public
      - Private
      - Alias
      - Export
      - Lib
    - Calling conventions
      - stdcall
      - cdecl
      - pascal
    - Parameter passing conventions
      - ByRef
      - ByVal
      - Any
    - Variadic Procedures
    - Automatic execution
      - Constructor (Module)
      - Destructor (Module)
    - Miscellaneous
  - Modularizing
    - Common
    - DyLibFree
    - DyLibLoad
    - DyLibSymbol
    - Export
    - Extern
    - Extern...End Extern
    - Import
    - Namespace
    - Private
    - Public
    - Using (Namespaces)
- Other
Runtime Library Reference
- Array Functions
- Bit Manipulation
  - Byte Manipulation Macros
    - LoByte
    - HiByte
    - LoWord
    - HiWord
  - Bit Manipulation Macros
    - Bit
    - BitReset
    - BitSet
- Console Functions
  - Configuring the Console
    - Cls
    - Width
    - View Print
  - Cursor Color and Positioning
    - Color
    - CsrLin
    - Pos
    - Locate
    - Screen (Console)
  - Writing Text to the Console
    - Print
    - ?
    - Print Using
    - ? Using
    - Write
    - Spc
    - Tab
- Date and Time Functions
  - VisualBasic compatible procedures
  - Date and time procedures
    - Date
    - Time
    - SetDate
    - SetTime
    - Timer
- Error Handling Functions
  - Determining Errors
    - Erl
    - Erfn
    - Ermn
    - Err
    - Error
  - Handling Errors
- File IO Functions
  - Opening Files or Devices
    - FreeFile
    - Open
    - Open Com
    - Open Cons
    - Open Err
    - Open Lpt
    - Open Pipe
    - Open Scrn
    - Close
    - Reset
    - File I/O modes
      - Input (File Mode)
      - Output
      - Append
      - Binary
      - Random
    - File access privileges
    - Character encoding
      - Encoding
  - Reading from and Writing to Files or Devices
    - Input #
    - Write #
    - Input()
    - Winput()
    - Line Input #
    - Print #
    - ? #
    - Put #
    - Get #
  - File Position and other Info
    - LOF
    - LOC
    - EOF
    - Seek (Statement)
    - Seek (Function)
    - Lock
    - Unlock
- Mathematical Functions
  - Algebraic Procedures
    - Abs
    - Exp
    - Log
    - Sqr
    - Fix
    - Frac
    - Int
    - Sgn
  - Trigonometric Procedures
    - Sin
    - Asin
    - Cos
    - Acos
    - Tan
    - Atn
    - Atan2
  - Miscellaneous Procedures
    - Randomize
    - Rnd
- Memory Functions
  - Working with Dynamic Memory
  - Miscellaneous Procedures
    - Peek
    - Poke
    - Clear
    - Swap
    - SAdd
- Operating System Functions
  - Working with Files
    - Exec
    - Chain
    - Run
    - Kill
    - Name
  - Working with Directories
    - CurDir
    - ChDir
    - Dir
    - ExePath
    - MkDir
    - RmDir
  - File Properties
    - FileAttr
    - FileCopy
    - FileDateTime
    - FileExists
    - FileLen
  - System Procedures
    - Fre
    - Command
    - Environ
    - Isredirected
    - SetEnviron
    - Shell
    - System
- String Functions
  - Creating Strings
    - String
    - String (Function)
    - ZString
    - WString
    - Wstring (Function)
    - Space
    - WSpace
    - Len
  - Character Conversion
    - Asc
    - Chr
    - WChr
  - Numeric/Boolean to String Conversions
    - Bin
    - WBin
    - Hex
    - WHex
    - Oct
    - WOct
    - Str
    - WStr
    - Format
  - String to Numeric Conversions
    - Val
    - ValInt
    - ValLng
    - ValUInt
    - ValULng
  - Numeric Serialization
    - MKD
    - MKI
    - MKL
    - MKLongInt
    - MKS
    - MKShort
    - CVD
    - CVI
    - CVL
    - CVLongInt
    - CVS
    - CVShort
  - Working with Substrings
    - Left
    - Mid (Function)
    - Right
    - LCase
    - UCase
    - LTrim
    - RTrim
    - Trim
    - InStr
    - InStrRev
    - Mid (Statement)
    - LSet
    - RSet
- Threading Support Functions
- User Input Functions
  - Reading values from the keyboard buffer
    - Input
    - Line Input
    - Input()
    - Winput()
  - Reading keys from the keyboard buffer
    - Inkey
    - GetKey
Graphics Library Reference
- 2D Drawing Functions
  - Working with Color
    - Color
    - Palette
    - RGB
    - RGBA
    - Point
  - Drawing to Image Buffers
    - PSet
    - PReset
    - Line (Graphics)
    - Circle
    - Draw
    - Draw String
    - Paint
  - Image Buffer Creation
  - Blitting Image Buffers
    - Put (Graphics)
    - Blending Methods
      - Add
      - Alpha
      - And
      - Or
      - PSet
      - Trans
      - Custom
      - Xor
- User Input Functions
  - Mouse and Joystick Input
    - GetMouse
    - SetMouse
    - GetJoystick
    - Stick
    - Strig
  - Keyboard Input
    - MultiKey
- Screen Functions
  - Working with screen modes
  - Working with pages
    - Cls
    - ScreenSet
    - ScreenCopy
    - PCopy
    - Flip
    - ScreenSync
  - Working video memory
  - Screen Metrics
- Supported graphics drivers (backends)
- Keyboard Scan Codes
- Default Palettes
Tutorials
Using the FreeBASIC compiler
- Installing FreeBASIC
- Requirements
- Running FreeBASIC
- Using the Command Line
- Command Line Options
  - @< file >
  - -a < name >
  - -arch < type >
  - -asm < format >
  - -b < name >
  - -c
  - -C
  - -d < name=val >
  - -dll
  - -dylib
  - -e
  - -ex
  - -exx
  - -export
  - -forcelang <name>
  - -fpmode < type >
  - -fpu < type >
  - -g
  - -gen < backend >
  - -i < name >
  - -include < name >
  - -l < name >
  - -lang < name >
  - -lib
  - -m < name >
  - -map < name >
  - -maxerr < val >
  - -mt
  - -nodeflibs
  - -noerrline
  - -o < name >
  - -O < level >
  - -p < name >
  - -pic
  - -pp
  - -prefix < path >
  - -print < option >
  - -profile
  - -r
  - -R
  - -rr
  - -RR
  - -s < name >
  - -showincludes
  - -static
  - -target < platform >
  - -t < value >
  - -v
  - -vec < level >
  - -version
  - -w < value >
  - -Wa < opt >
  - -Wc < opt >
  - -Wl < opt >
  - -x < name >
  - -z < value >
- Debugging with FreeBASIC
- Compiler Error Messages
- Tools used by fbc
FreeBASIC dialects and QBASIC
FAQs
Miscellaneous
- Obsolete Keywords
- Glossary
- Miscellaneous Keywords
  - Data
    - Data
    - Read
    - Restore
  - Debugging
    - Assert
    - AssertWarn
    - Stop
  - Hardware Access
    - Inp
    - LPrint
    - Lpos
    - Out
    - Wait
  - Operating System
  - Stub Pages
    - As
    - For
    - To
    - Is
    - Step
  - Control Flow
    - Do
    - End If
    - IIf
    - Loop
    - Next
    - Then
    - Until
    - Wend
    - While
  - Uncategorized
    - End (Block)
    - OffsetOf
    - SizeOf
    - TypeOf
    - Let
    - Rem
    - Option()
- C Standard Library Functions
- ASCII Character Codes
- Runtime Error Codes
- C/C++ vs. FreeBASIC syntax comparison
- C/C++ vs. FreeBASIC integer data type comparison
Hacking on FreeBASIC
- Developer's Table of Contents

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