.. highlightlang:: us

.. index:: MessageBoxQuestionYesNo

.. _messageboxquestionyesno:

MessageBoxQuestionYesNo
=======================

.. us.tag  MessageBoxQuestionYesNo ENGLISH DialogBoxes New363

:ref:`MessageBoxQuestionYesNo` displays a message box.

.. function::  ssRet = MessageBoxQuestionYesNo(ssMessage, ...)
    ssRet = MessageBoxQuestionYesNo(ssDefault, ssMessage, ...)

.. us.return

**Return Value**

*ssRet* is "YES or "NO".

.. us.params

**Parameters**

.. uparam:: ssDefault

   *ssDefault* is "YES" or "NO". This parameter sets the focus to the Yes or No
   button.

.. uparam:: ssMessage

   *ssMessage* is a scalar string containing the message text. The text can
   contain format sequences and newline characters ``"\n"``. See :ref:`printf`
   for a format description.

.. us.example

**Example**

::

   if (MessageBoxQuestionYesNo("NO", "File '%s' exists. Overwrite?", ssFileName) == "YES") {
       ...
   }

.. seealso::
   :ref:`overview-dialogboxes`,
   :ref:`DialogBox`,
   :ref:`MessageBoxError`,
   :ref:`MessageBoxWarning`,
   :ref:`MessageBoxInfo`,
   :ref:`MessageBoxQuestionYesNoCancel`,
   :ref:`printf`,
   :ref:`MessageBox`

:sub:`id-666632`