$SCREENHIDE - QB64Official/qb64 GitHub Wiki

The $SCREENHIDE Metacommand can be used to hide the main program window throughout a program.

Syntax

$SCREENHIDE

  • $SCREENHIDE may be used at the start of a program to hide the main program window when using a $CONSOLE window.
  • The _SCREENHIDE statement must be used before _SCREENSHOW can be used in sections of a program.
  • QB64 Metacommands cannot be commented out with apostrophe or REM.

Example(s)

Hiding a program when displaying a message box in Windows.


$SCREENHIDE
DECLARE DYNAMIC LIBRARY "user32"
  FUNCTION MessageBoxA& (BYVAL hWnd%&, BYVAL lpText%&, BYVAL lpCaption%&, BYVAL uType~&)
END DECLARE
DECLARE DYNAMIC LIBRARY "kernel32"
  SUB ExitProcess (BYVAL uExitCode~&)
END DECLARE
DIM s0 AS STRING
DIM s1 AS STRING
s0 = "Text" + CHR$(0)
s1 = "Caption" + CHR$(0)
ExitProcess MessageBoxA(0, _OFFSET(s0), _OFFSET(s1), 0)

See Also