$INCLUDE - QB64 Wiki

$INCLUDE

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$INCLUDE is a metacommand that is used to insert a source code file into your program which is then executed at the point of the insertion.


Syntax:

{REM | ' } $INCLUDE: 'sourcefile'


  • Qbasic required that a comment or REM preceded all Metacommands at the start of the program.
  • The source file name MUST have REM or apostrophe comments around the text source file name.
  • $INCLUDE is often used to add functions and subs from an external text QBasic code library.
  • The source file included can contain any BASIC statement except GOTO
  • QB 4.5 can use DECLARE SUB in BI files such as QB.BI. QB64 ignores Qbasic's DECLARE statements.
  • QB64 users can use all statements in their include files. See below.
  • The $INCLUDE metacommand should be the only statement on a line since execution progresses after the code line.


How to $INCLUDE a BAS or Text file with a QB64 Program
  • QB64 does not require a comment or REM before any Metacommand. Do NOT comment QB64 specific Metacommands!
  • The source file name MUST have REM or apostrophe comments around the text source file name.
  • 1) Assemble your text code into a TEXT file and name it something with a .BI or .BM file name extension.
  • 2) $INCLUDE any DEFINT, DIM, CONST, SHARED arrays or DATA at the very beginning of the main program code.
  • 3) $INCLUDE SUBs or FUNCTIONs at the very bottom of the main program code AFTER any SUB procedures.
Note: TYPE definitions, DATA and DECLARE LIBRARY can be placed inside of sub-procedures.
  • 4) Compile the program with the included text files in the QB64 folder! Save the text files to use them like Library files.
Note: Once the program is compiled, the included text files are no longer needed with the program EXE.


Example: '$INCLUDE: 'QB.BI'


See Library Examples:


See also:



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