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New WINDEV, WINDEV Mobile 25 feature!
  • Characteristics of dialog box
  • Line break in the dialog box
  • Miscellaneous
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Stored procedures
Displays a custom message in a non-blocking system warning window.
Example of a warning message
Remarks:
  • This is a non-blocking warning window. The WLanguage code that follows the call to WarningAsynchronous continues to run. To close the window, the user must click the OK button to validate. When the user clicks "OK", the code of a WLanguage procedure can be run.
  • In the WLanguage code following the call to the function, another modal window cannot be opened before closing the dialog box.
  • WINDEV WINDEV allows you to apply the skin template of your project to this dialog box. See Customizing dialog boxes for more details.
Example
DelayBeforeClosing(20s)
NextTitle("Caution")
WarningAsynchronous ("This action could not be validated" + ...
CR + "Contact the application manager", Procedure_ValidationOK)
 
INTERNAL PROCEDURE Procedure_ValidationOK()
ToastDisplay("Reminder: Action not validated")
END
 
ExecuteProcess(BTN_Next, trtClick)
Syntax
WarningAsynchronous(<Text> [, <WLanguage procedure>])
<Text>: Character string (with quotes)
Text to display.
<WLanguage procedure>: Name of procedure or lambda procedure, optional
Name of the WLangage procedure ("callback" procedure) called when the user clicks "OK" in the warning window.
This WLanguage procedure can correspond to:
  • a name of a global procedure,
  • a name of internal procedure,
  • a lambda procedure.
If this parameter is not specified, no procedure is run when the user clicks "OK" in the warning window.
Remarks

Characteristics of dialog box

  • The title of the dialog box corresponds to the title of the current window (or page).
  • To modify or define the title of dialog box, use NextTitle.
  • The message is aligned to left.
  • The button caption depends on the runtime language of Windows.
  • The maximum number of characters cannot exceed 4096. If a larger string is passed in parameter, it will be truncated.
  • The icon displayed (exclamation mark in yellow triangle) cannot be modified.
WINDEV To customize this dialog box (as well as all system dialog boxes of your application), check "Customize the system windows (Info, YesNo, Confirm, Dialog)" in the "Style" tab of the project description. See Customizing dialog boxes for more details.

Line break in the dialog box

The CR string (Carriage Return) can be used to force a break to the next line. For example:
WarningAsynchronous("The XXX form was modified." + CR + ...
"Any new modification must be validated.")
You also have the ability to use the syntax of multiline strings. For example:
WarningAsynchronous(
[
This operation was not validated.
 
Contact the application provider.
])

Miscellaneous

  • Timers (TimerSys) are not stopped when this function is called.
  • WINDEV Windows events are not stopped when this function is called.
  • WINDEV DelayBeforeClosing limits how long the message is displayed. The dialog box is automatically closed. For question or confirmation dialog boxes, the default button corresponds to the expected answer.
  • The caption of the button is displayed in the language used by Windows on the current computer.
Component : wd250obj.dll
Minimum version required
  • Version 25
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