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  • Characteristics of dialog box
  • Line break in the dialog box
  • Displaying the last error message
  • Displaying the last error message
  • Various
  • Emulation
WINDEV
WindowsLinuxUniversal Windows 10 AppJavaReports and QueriesUser code (UMC)
WEBDEV
WindowsLinuxPHPWEBDEV - Browser code
WINDEV Mobile
AndroidAndroid Widget iPhone/iPadApple WatchUniversal Windows 10 AppWindows Mobile
Others
Stored procedures
Displays a custom error message in a system error window.
Error message
To close the window, the user must click the OK button to validate.
WINDEV WINDEV allows you to apply the skin template of your project to this dialog box. See Customizing the dialog boxes for more details.
Versions 16 and later
WINDEVWEBDEV - Server code In a Webservice, Error is used to define the error returned by the Webservice. If several call to Error are performed, the error messages are concatenated.
New in version 16
WINDEVWEBDEV - Server code In a Webservice, Error is used to define the error returned by the Webservice. If several call to Error are performed, the error messages are concatenated.
WINDEVWEBDEV - Server code In a Webservice, Error is used to define the error returned by the Webservice. If several call to Error are performed, the error messages are concatenated.
Versions 15 and later
Android This function is now available for the Android applications.
New in version 15
Android This function is now available for the Android applications.
Android This function is now available for the Android applications.
Versions 16 and later
Universal Windows 10 App This function is now available for the Windows Phone applications.
New in version 16
Universal Windows 10 App This function is now available for the Windows Phone applications.
Universal Windows 10 App This function is now available for the Windows Phone applications.
Versions 17 and later
iPhone/iPad This function is now available for the iPhone/iPad applications.
New in version 17
iPhone/iPad This function is now available for the iPhone/iPad applications.
iPhone/iPad This function is now available for the 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
AndroidJava The syntax 2 is now available.
New in version 22
AndroidJava The syntax 2 is now available.
AndroidJava The syntax 2 is now available.
Example
Reports and QueriesWindowsLinuxAndroidiPhone/iPadWindows MobileJavaUser code (UMC)
NextTitle("Error: Unknown customer")
Error("This customer code does not exist. It must be created beforehand")
WEBDEV - Server codeWEBDEV - Browser codePHPAjax
Error("Enter your name.")
Syntax

Displaying a custom error message Hide the details

Error(<Text> [, <Line 2> [, ... [, <Line n>]]])
<Text>: Character string (with quotes)
Text to display.
<Row 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.
WINDEVWEBDEV - Server codeReports and QueriesiPhone/iPadWindows MobileUniversal Windows 10 AppAjaxUser code (UMC)

Displaying the error message of the last WLanguage function used

Error()
WINDEVWEBDEV - Server codeReports and QueriesAndroidiPhone/iPadWindows MobileUniversal Windows 10 AppJavaAjaxUser code (UMC)

Displaying the error message of the last WLanguage function used

Error()
Remarks

Characteristics of dialog box

  • The title of dialog box corresponds to the title of current window.
    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.
WINDEV 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.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 project description. See Customizing the dialog boxes for more details.
Versions 16 and later
WEBDEV - Server code To customize this dialog box (as well as all system dialog boxes of your site), check "Apply the skin to the dialog boxes (Info, YesNon, Confirm, ...)" in the "Style" tab of project description.
New in version 16
WEBDEV - Server code To customize this dialog box (as well as all system dialog boxes of your site), check "Apply the skin to the dialog boxes (Info, YesNon, Confirm, ...)" in the "Style" tab of project description.
WEBDEV - Server code To customize this dialog box (as well as all system dialog boxes of your site), check "Apply the skin to the dialog boxes (Info, YesNon, Confirm, ...)" in the "Style" tab of project description.

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.")
WINDEVWEBDEV - Server codeReports and QueriesiPhone/iPadWindows MobileUniversal Windows 10 AppAjaxUser code (UMC)

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.
WINDEVWEBDEV - Server codeReports and QueriesAndroidiPhone/iPadWindows MobileUniversal Windows 10 AppJavaAjaxUser code (UMC)

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.

Various

  • The timers (TimerSys) and the events are not stopped when this function is called.
  • WINDEV 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.
  • WINDEVWindows MobileJava 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.
    Versions 18 and later
    WINDEV To limit the display duration of an Error dialog box only, use ErrorWithTimeout.
    New in version 18
    WINDEV To limit the display duration of an Error dialog box only, use ErrorWithTimeout.
    WINDEV To limit the display duration of an Error dialog box only, use ErrorWithTimeout.
  • 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 process for resizing windows. Otherwise, the application will be locked.
    • in the process for changing the orientation of windows.
    • in the "Move to the foreground" process associated with the project.
      Note: However, the function can be used in the "Move to the foreground" process of a window.
    • in a thread.
WINDEV

Emulation

An error message can be emulated by EmulateError.
Components
WINDEVReports and Queries wd230obj.dll
WEBDEV - Server code wd230page.dll
Windows Mobile wp230obj.dll
WEBDEV - Browser code WDJS.DLL
Java wd230java.jar
Linux wd230obj.so
Android wd230android.jar
Minimum required version
  • Version 9
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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
Jul. 15 2016