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Help / WLanguage / WLanguage functions / Standard functions / Windows functions / Dialog Box functions
  • Features of the dialog box
  • Line break in the dialog box
  • Special cases
  • Application in the background: Specific case from Android 10
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Stored procedures
Displays a custom message in a system information window.
Information window
Remarks:
  • This is a blocking information window. To continue running the application, the user must validate this window by clicking OK.
    AndroidiPhone/iPad To avoid blocking the application, use InfoAsynchronous.
Example
Nom_utilisateur is string
Nom_utilisateur = "Florence"
Info("Bonjour" + Nom_utilisateur, "Bienvenue !")
Syntax
Info(<Text> [, <Line 2> [... [, <Line n>]]])
<Text>: Character string
Text to display.
<Line 2>: Optional character string
Text displayed on the next line.
<Line n>: Optional character string
Text displayed in the following lines.
Remarks

Features of the dialog box

  • The title of the dialog box corresponds to the title of the current window (or page).
    AndroidiPhone/iPad To comply with the system specifications, the title of dialog box is empty by default. To define this title, use NextTitle.
  • To modify or define the title of dialog box, use NextTitle.
  • The message is aligned to the left.
  • The captions of buttons depend on the runtime language of Windows.
  • The maximum number of characters cannot exceed 4096. If a larger string is passed as parameter, it will be truncated.
    Android The entire string is displayed, regardless of its size.
  • The icon displayed (information tooltip) cannot be modified.

Line break in the dialog box

The CR string (Carriage Return) can be used to force a break to the next line. For example:
Info("La fiche XXX a été modifiée." + CR + "Cette fiche va être sauvegardée.")
is equivalent to:
Info("La fiche XXX a été modifiée.", "Cette fiche va être sauvegardée.")
You also have the ability to use the syntax of multiline strings. For example:
Info(
[
La fiche XXX a été modifiée.

Cette fiche va être sauvegardée.
])

Special cases

  • Timers (TimerSys) are not stopped when this function is called.
  • The text of the buttons is displayed in the system language.
  • iPhone/iPad This function should not be used. Use InfoAsynchronous instead:
    • in the "Resize" event of the window. Otherwise, the application will be locked.
    • in the "Change the orientation" event of the window.
    • in the "Move to the foreground" event associated with the project.
      Note: The function can also be used in the "Bring to foreground" event of a window..
    • in the "Select a row" event of List Box and Looper controls.
    • in a thread.
Android

Application in the background: Specific case from Android 10

Starting with Android 10, it is no longer possible to open a window when the application is in the background.
Info can open a window. If this function is used while the application is in the background, a fatal error will occur.
Tips:
  • It is possible to determine if the application is in the background using InBackgroundMode.
  • If an application needs to interact with the user while it is in the background, the solution is to display a notification (via the Notification type). The application will be brought back to the foreground when the notification is clicked, if the ActivateApplication property is set to True. You can also open a window from the procedure passed to the ActionClick property.
Component: wd300obj.dll
Minimum version required
  • Version 9
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Last update: 03/27/2025

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