MESSAGEBOX (function)

The _MESSAGEBOX function displays a message dialog box, which presents a message and returns the button id clicked by the user. The return value can be 0 for "cancel"/"no", 1 for "ok"/"yes", 2 for "no" in "yesnocancel".

Syntax

result& = _MESSAGEBOX(title$, message$, dialogType$, iconType$[, defaultButton&])

Parameters

• title$ is the dialog box title
• message$ is the dialog box message
• dialogType$ is the dialog box type and shows different buttons based on the value (this can be "ok", "okcancel", "yesno", or "yesnocancel")
• iconType$ is the icon type that is displayed inside the dialog box (this can be "info", "warning", or "error")
• defaultButton& can be 0 for "cancel"/"no", 1 for "ok"/"yes", 2 for "no" in "yesnocancel"
• All parameters accept an empty string ("") in which case system defaults are used

Description

• The dialog box automatically becomes a modal window if the application window is visible
• "ok", "okcancel", "yesno", or "yesnocancel" are expected to be in lower case
• "info", "warning", or "error" are expected to be in lower case

Availability

• QB64-PE v3.4 and up

Examples

Example

Simple yes/no message box example

IF _MESSAGEBOX("My Cool App", "Do you want to hear a beep?", "yesno", "question") = 1 THEN BEEP ELSE _MESSAGEBOX "My Cool App", "The sound of silence." END IF

See also

• _NOTIFYPOPUP
• _MESSAGEBOX
• _SELECTFOLDERDIALOG$
• _INPUTBOX$
• _OPENFILEDIALOG$
• _SAVEFILEDIALOG$

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