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Liberty BASIC Help Online

Command Reference D-F

Commands and Keywords

A-C D-F G-K L-M N-P R-S T-Z

DATAadds data to a program that can be read with the READ statement

DATE$( )return string with today's date

DECHEX$( )return a decimal number converted to a hexadecimal string

DefaultDir$a variable containing the default directory

"delsegment"graphics command to delete drawing segment

Dialogwindow type

DIM array( ) set the maximum size of a data array

DISABLEmake a control disabled and grayed-out

"discard"graphics command to discard unflushed drawing

DisplayWidtha variable containing the width of the display

DisplayHeighta variable containing the height of the display

DLLdevice open mode for calldll

"down"graphics command to lower pen

"drawbmp"graphics command to display a bitmap

"drawsprites"sprite command to update animation

Drives$special variable, holds drive letters

DO LOOPperforms a looping action until/while a condition is met

Doubledata type for CALLDLL

DUMPforce the LPRINT buffer to print

DWORDdata type for calldll and structs

"ellipse"graphics command to draw an ellipse

"ellipsefilled"graphics command to draw a filled ellipse

ELSEused in block conditional statements with IF/THEN

ENABLEmake a control active

ENDmarks end of program execution

END FUNCTIONsignifies the end of a function

END IFused in block conditional statements with IF/THEN

END SELECTsignals end of SELECT CASE construct

END SUBsignifies the end of a subroutine

EOF( #h )returns the end-of-file status for #h

EVAL(code$)evaluate an expression to a numeric value

EVAL$(code$) evaluate an expression to a string

EXIT FORterminate a for/next loop before it completes

EXIT WHILEterminate a while/wend loop before it completes

EXP( n )returns e^n

FIELD #h, list...sets random access fields for #h

FILEDIALOGopens a file selection dialog box

FILESreturns file and subdirectory info

"fill"graphics command to fill with color

"font"set font as specified

FONTDIALOGopens a font selection dialog box

ForegroundColor$sets or returns foreground color for window

FOR...NEXT performs looping action

FUNCTIONdefine a user function

COMMAND REFERENCE:

A-C D-F G-K L-M N-P R-S T-Z