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  • Features of the dialog box
  • Line break in the dialog box
  • Miscellaneous
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Stored procedures
Displays a message in a standard dialog box that proposes "Yes", "No", "Cancel" and returns the user's choice.
Confirmation example
Remarks:
  • This is a modal warning window. To continue running the application, the user must validate one of the buttons.
Example
WEBDEV - Browser code
Res is boolean
Res = Confirm("Do you want to load this page?") 
IF Res = True THEN
// User validation
ELSE
// No user validation
SetFocusAndReturnToUserInput("VALIDBTN")
END
Syntax
WEBDEV - Server codeWindowsLinux

Displaying a Confirm dialog box Hide the details

<Result> = Confirm([<Selected button>, ] <Text> [, <Line 2> [... [, <Line n>]]])
<Result>: Integer constant
Identifies the button selected by the user:
No0The user selected [NO].
Yes1The user selected [YES].
Cancel2The user selected [CANCEL].
<Selected button>: Optional integer constant
Button selected by default in the dialog box:
No0selected by default.
Yes
(Default value)
1selected by default.
Cancel2selected by default.
<Text>: Character string
Text to display.
<Line 2>: Optional character string
Text displayed on the second line.
<Line n>: Optional character string
Text displayed on the Nth line.
WEBDEV - Browser code

Displaying a Confirm dialog box on the browser Hide the details

<Result> = Confirm(<Text> [, <Line 2> [... [, <Line n>]]])
<Result>: Boolean
  • True if the user validated,
  • False otherwise.
<Text>: Unicode string
Text to display.
<Line 2>: Optional Unicode character string
Text displayed on the second line.
<Line n>: Optional Unicode character string
Text displayed on the Nth line.
Remarks

Features of the dialog box

  • The message is aligned to the left.
  • The text of the buttons changes according to the language used by Windows at runtime (or used by the browser, in the case of a WEBDEV website).
  • 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 a WINDEV application, question mark in a WEBDEV application) cannot be modified.
  • 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.
WEBDEV - Server code To customize this dialog box (and all the system dialog boxes in your site), check "Apply the skin to the dialog boxes (YesNo and OKCancel)" in the "Skin" tab of the project description window.

Line break in the dialog box

The CR string (Carriage Return) can be used to force a break to the next line. For example:
Confirm("The XXX form was modified." + CR + ...
"Do you want to save it before exiting?")
is equivalent to:
Confirm("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:
Confirm(
[
The XXX form has been modified.

Do you want to save changes before closing?
])

Miscellaneous

  • Timers (TimerSys) are not stopped when this function is called.
  • The text of the buttons is displayed in the system language.
  • WEBDEV - Server code If your project uses pre-launched sessions, this function must not be used in the project initialization event. It must be used in the "Initialize project after connecting to the site" event.
Component: wd290obj.dll
Minimum version required
  • Version 9
This page is also available for…
Comments
Exemplo Confirm
Exemplo Confirm

Res is int
NextTitle("Modifica o Formulario")
Res = Confirm("Primeira Linha."+CR+"TESTE","Seguda Linha?")
SWITCH Res
CASE Yes:
Info("ok")
CASE No:
Close()
CASE Cancel:
ReturnToCapture()
END

//Blog com Video e Exemplo
http://windevdesenvolvimento.blogspot.com.br/2016/07/curso-windev-funcoes-dialogo-1-confirm.html
https://www.youtube.com/watch?v=jjBIYgdVK1s
De matos AMARILDO
08 Jul. 2016

Last update: 02/28/2024

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