Description
Displays a Windows message in event context
Syntax
button = message_box(ownerwindow, text, title, options)
Parameters
The Message_Box function has the following parameters:
Parameter | Description |
---|---|
ownerwindow | The window ID of the window to use as a parent. This parameter can be null to use the screen as a parent. Typically, this parameter is @window. For MDI children, pass the frame ID. |
text | Pass the message text. Multiple lines are delimited by CR/LF. CR/LF can be coded as \0D0A\ or char(13):char(10). The constant MSG_NL$ is defined in the insert record Message_Box_Equates and can be used to separate multiple lines of text. |
title | Pass the title for the message. |
options | The options are defined in the insert record Message_Box_Equates under the sections "button arrangement", "default button", and "message icon". To specify multiple options, add the options together. For example: |
MSG_BTN_YES_NO_CAN$ + MSG_DEFAULT2$ + MSG_ICON_QUESTION$
Returns
The return values from Message_Box are defined in the insert record Message_Box_Equates. Each button (OK, CANCEL, YES, NO, ABORT, RETRY, IGNORE) returns a different value.
See also
Example: Yes/No/Cancel, Default to 'No' Button
declare function Message_Box $insert Message_Box_Equates retval = Message_Box( @window ,'Yes/No/Cancel, default to No',| 'Please Confirm', MSG_BTN_YESNOCAN$ + MSG_DEFAULT2$) if retval = MSG_RET_YES$ then * user clicked "YES', so do processing, then display message retval = Message_Box (@window, 'Processing completed!', 'Done!', MSG_BTN_OK$) end
Example: Message with Information Icon
$insert Message_Box_Equates Message_Box(@window, "Connection opened!", "Data Download", MSG_ICON_INFO$)