Warning (Function)

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Characteristics of dialog box
Line break in the dialog box
Various
Emulation

WINDEV

WEBDEV

WINDEV Mobile

Others

See also

Warning (Function)

In French: Avertissement

Displays a custom message in a system warning window.

To close the window, the user must click the OK button to validate.

WINDEV allows you to apply the skin template of your project to this dialog box. See Customizing the dialog boxes for more details.

Versions 15 and later

This function is now available for the Android applications.

New in version 15

This function is now available for the Android applications.

Versions 17 and later

This function is now available for the iPhone/iPad applications.

New in version 17

This function is now available for the iPhone/iPad applications.

Versions 18 and later

This function is now available in Windows Store apps mode.

New in version 18

This function is now available in Windows Store apps mode.

Versions 21 and later

This function is now available in Universal Windows 10 App mode.

New in version 21

This function is now available in Universal Windows 10 App mode.

Example

NextTitle("Caution")
Warning("This operation was not validated" + ...
CR + "Contact the application manager")

Syntax

Warning(<Text> [, <Line 2> [, ... [ , <Line n>]]])

<Text>: Character string (with quotes)

Text that will be displayed on the first line.

<Row 2>: Optional character strings (with quotes)

Text that will be displayed on the second line.

<Line n>: Optional character strings (with quotes)

Text that will be displayed on the other lines.

Remarks

Characteristics of dialog box

The title of dialog box corresponds to the title of current window.
To comply with the system specifications, the title of dialog box is empty by default. To define this title, use NextTitle. 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 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.

To customize this dialog box (as well as all system dialog boxes of your application), check "Apply the theme of skin template to the system information windows" in the "Style" tab of project description. See Customizing the 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:

Warning("The XXX form was modified" + CR + ...
"Any new modification must be validated.")

is equivalent to:

Warning("The XXX form was modified", ...
"Do you want to save it before exiting?")

You also have the ability to use the syntax of multiline strings. For example:

Warning(
[
This operation was not validated.

Contact the application provider
])

Various

The timers (TimerSys) and the events are not stopped when this function is called.
When typing the function in the code editor, you have the ability to use the code wizard. Depending on the characteristics entered in the wizard, the function used can be different in the code that is automatically generated.
DelayBeforeClosing is used to limit the display duration of the message. The dialog box is automatically closed. For the question or confirmation dialog boxes, the expected answer corresponds to the default button.
The caption of the button is displayed in the language used by Windows on the current computer.

Emulation

A warning message can be emulated by EmulateWarning.

Components

wd230obj.dll

wp230obj.dll

wd230java.jar

wd230obj.so

wd230android.jar