__FB_GUI__
Intrinsic define (macro value) set by the compiler
Syntax
`
__FB_GUI__
`
Description
`__FB_GUI__` indicates if the executable subsystem option '-s gui' was specified on the command line at the time of compilation.
Returns non-zero (-1) if the executable subsystem option '-s gui' was specified. Returns zero (0) otherwise (no executable subsystem option specified, or executable subsystem option '-s console' specified).
Example
`
#if __FB_GUI__ <> 0
#print Executable subsystem: gui
#else
#print Executable subsystem: console
#endif
`
Platform Differences

- Supported on Windows and Cygwin only.

Differences from QB

- New to FreeBASIC

See also

- Compiler Option: -s