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  • Characteristics of dialog box
  • Line break in the dialog box
  • Displaying the last error message
  • Displaying the last error message
  • Miscellaneous
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Stored procedures
Displays a custom error message in a system error window.
Error message
To close the window, the user must click OK.
Versions 15 and later
Android This function is now available for Android applications.
New in version 15
Android This function is now available for Android applications.
Android This function is now available for Android applications.
Versions 16 and later
Universal Windows 10 App This function is now available for Windows Phone applications.
New in version 16
Universal Windows 10 App This function is now available for Windows Phone applications.
Universal Windows 10 App This function is now available for Windows Phone applications.
Versions 17 and later
iPhone/iPad This function is now available for iPhone/iPad applications.
New in version 17
iPhone/iPad This function is now available for iPhone/iPad applications.
iPhone/iPad This function is now available for iPhone/iPad applications.
Versions 18 and later
Universal Windows 10 App This function is now available in Windows Store apps mode.
New in version 18
Universal Windows 10 App This function is now available in Windows Store apps mode.
Universal Windows 10 App This function is now available in Windows Store apps mode.
Versions 21 and later
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
New in version 21
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Versions 22 and later
Android The syntax 2 is now available.
New in version 22
Android The syntax 2 is now available.
Android The syntax 2 is now available.
Example
AndroidiPhone/iPadWindows Mobile
NextTitle("Error: Unknown customer")
Error("This customer code does not exist. It must be created beforehand")
Syntax

Displaying a custom error message Hide the details

Error(<Text> [, <Line 2> [... [, <Line n>]]])
<Text>: Character string (with quotes)
Text to display.
<Line 2>: Optional character strings (with quotes)
Text displayed on the following lines.
<Line n>: Optional character strings (with quotes)
Text displayed on the following lines.
iPhone/iPadWindows MobileUniversal Windows 10 App

Displaying the error message of the last WLanguage function used

Error()
AndroidiPhone/iPadWindows MobileUniversal Windows 10 App

Displaying the error message of the last WLanguage function used

Error()
Remarks

Characteristics of dialog box

  • The title of the dialog box corresponds to the title of the current window (or page).
    iPhone/iPad To comply with the system specifications, the title of dialog box is empty by default. To define this title, use NextTitle. 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 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 (white cross) 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:
Error("An error was detected while entering the address." + CR + ...
"Modify the personal details of the customer.")
is equivalent to:
Error("An error was detected while entering the address. ", ...
"Modify the personal details of the customer.")
iPhone/iPadWindows MobileUniversal Windows 10 App

Displaying the last error message

Error used with no parameter (syntax 2) displays the error message corresponding to the last WLanguage function that triggered an error.
In this case, the following code:
Error()
is equivalent to:
Error(ErrorInfo())
Caution: Error must be used immediately after the call to the function that failed. Indeed, the call to a WLanguage function can reinitialize and modify the error report returned by Error.
AndroidiPhone/iPadWindows MobileUniversal Windows 10 App

Displaying the last error message

Error used with no parameter (syntax 2) displays the error message corresponding to the last WLanguage function that triggered an error.
In this case, the following code:
Error()
is equivalent to:
Error(ErrorInfo())
Caution: Error must be used immediately after the call to the function that failed. Indeed, the call to a WLanguage function can reinitialize and modify the error report returned by Error.

Miscellaneous

  • Timers (TimerSys) are not stopped when this function is called.
  • Windows Mobile DelayBeforeClosing is used to limit the display duration of all the dialog boxes. 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.
  • iPhone/iPad This function must not be used:
    • in the event "Resizing" of the window. Otherwise, the application will be locked.
    • in the event "Changing of orientation" of the window.
    • in the event "Placing in foreground" associated with the project.
      Remark: However, the function can be used in the event "Placing in foreground" of a window.
    • in a thread.
Component : wd250obj.dll
Minimum version required
  • Version 9
This page is also available for…
Comments
Exemplos Error
Exemplos Error

NextTitle("Erro 1")
Error("Um Erro de Teste")
s_descricao_erro is string="isso complemento erro"
NextTitle("Erro 2")
ErrorBuild("O %1 foi de teste",s_descricao_erro)
NextTitle("Erro 3")
ErrorWithTimeout(500,"O erro com tempo ")

//Blog com Video e Exemplo
http://windevdesenvolvimento.blogspot.com.br/2016/07/curso-windev-funcoes-dialogo-7-error.html
https://www.youtube.com/watch?v=aMP2CoIM5Wo
De matos AMARILDO
15 Jul. 2016