BAP Online Manuals : Library Reference : Library by Name : messagebox
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6.2.85. messagebox

displays a messagebox on the host system's screen

SYNOPSIS

INCLUDE 'winlib'
messagebox(Win, Options, Text, Title, Return)

SYNTAX

messagebox(Win, Options, Text, Title, Return) (i,i,i,i,o)

ARGUMENTS

integer(Win) (i) Handle of the parent window.
integer(Options) (i) Display options, defined in winlib.h.
string(Text) (i) Text of the message.
string(Title) (i) Title displayed in hte message boxes caption.
integer(Return) (o) Value of the user's selection.

DESCRIPTION

Displays a message box with the caption text Title and the contents Text. Options control the displayed pushbuttons. Constants are defined in

winlib.h

. The predicate suspends execution of the process until the user has selected a button to close the message box. The Return value contains the selection.
The parent window is activated when the messagebox is displayed. If a process does not own a window, window 0 (the console) can be given as parent.

Note: The exact implementation is host server dependent. Although a message box exists on all windows based hosts, the meaning and interpretation of the constants in winlib.h may differ.

EXAMPLE

gotowindow(Win),
Value is mb_iconstop + mb_okcancel,
messagebox (Win, Value, "do it?", "Prolog", Return),
Return = idok,
doit.

ERRORS

No runtime errors

LAYERS

prolog-process, client-server, object

RELATED PREDICATES

gotowindow , servertype


BAP Online Manuals : Library Reference : Library by Name : messagebox
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Next: mkdir