# yesnobox

Displays a dialog box, and ask Yes or No to user.

    yesnobox <message> <title> [<special>]

## Parameters

string <message>
  It is displayed in the dialog box.
string <title>
  It is displayed as the dialog box title.
integer <special> (optional default=0)
  If it is non-zero, following strings in <message> is treated as spacial character.

  input | output
  --- | ---
  \\ | "\"
  \n | line feed
  \t | tab

  This option is obsolete. You are recommended to use the strspecial command.

## Return Value

System variable <result>
  If the user clicks on the "Yes" button, it is set to 1.
  If the user clicks on the "No" button, it is set to zero.

## Example

    :retry
    ;;; do something ;;;
    yesnobox 'Try again?' 'Tera Term'
    if result goto retry
    end

## See also

- strspecial