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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
  • Miscellaneous
  • Emulation
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Stored procedures
Displays a custom message in a system warning window.
Example of warning
Remarks:
  • This is a modal warning window. To continue running the application, the user must validate this window by clicking OK.
    WINDEV To avoid blocking the application, use WarningAsynchronous.
  • WINDEV WINDEV allows you to apply the skin template of your project to this dialog box. For more details, see Customizing dialog boxes.
Example
NextTitle("Caution")
Warning("This operation was not validated" + ...
CR + "Contact the application manager")
Syntax
Warning(<Text> [, <Line 2> [... [, <Line n>]]])
<Text>: Character string
Text to be displayed on the first line.
<Line 2>: Optional character string
Text to be displayed on the second line.
<Line n>: Optional character string
Text to be displayed on the Nth line.
Remarks

Features of the 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 the 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 as parameter, it will be truncated.
  • The icon displayed (exclamation mark in yellow triangle) cannot be modified.
WINDEV To customize this dialog box (and all the system dialog boxes in your application), check "Customize system windows (Info, YesNo, Confirm, Dialog)" in the "Style" tab of the project description. For more details, see Customizing dialog boxes.

Line break in the dialog box

The CR string (Carriage Return) can be used to force a break to the next line. For example:
Warning("The XXX form was modified" + CR + ...
"Any new modification must be validated.")
is equivalent to:
Warning("The XXX form was modified", ...
"Any new modification must be validated.")
You also have the ability to use the syntax of multiline strings. For example:
Warning(
[
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.
WINDEV

Emulation

A warning message can be emulated by EmulateWarning.
Business / UI classification: UI Code
Component: wd290obj.dll
Minimum version required
  • Version 9
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Last update: 02/28/2024

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