You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: braph2msgbox.m
    path of file: ./repos/BRAPH-2/braph2/src/util
    
    the code of the file until where you have to start completion: function f_out = braph2msgbox(title, message, varargin)
%BRAPH2MSGBOX opens a modal message box.
%
% BRAPH2MSGBOX(TITLE, MESSAGE) opens a modal message box with TITLE and
%  MESSAGE. 
%
% BRAPH2MSGBOX(TITLE, MESSAGE, 'PropertyName', PROPERTY, ...) accept any
%  uifigure property.
%
% F = BRAPH2MSGBOX(TITLE, MESSAGE) returns a handle to the uifigure of the
%  message box.
%
% See also uifigure.

f = uifigure( ...
    'Tag', 'f', ...
    'Visible', 'off', ...
    'WindowStyle', 'modal', ...
    'Resize', 'off', ...
    'Icon', 'braph2icon_64px.png', ...
    'Name', title, ...

    
function f_out = braph2msgbox(title, message, varargin)
%BRAPH2MSGBOX opens a modal message box.
%
% BRAPH2MSGBOX(TITLE, MESSAGE) opens a modal message box with TITLE and
%  MESSAGE. 
%
% BRAPH2MSGBOX(TITLE, MESSAGE, 'PropertyName', PROPERTY, ...) accept any
%  uifigure property.
%
% F = BRAPH2MSGBOX(TITLE, MESSAGE) returns a handle to the uifigure of the
%  message box.
%
% See also uifigure.

f = uifigure( ...
    'Tag', 'f', ...
    'Visible', 'off', ...
    'WindowStyle', 'modal', ...
    'Resize', 'off', ...
    'Icon', 'braph2icon_64px.png', ...
    'Name', title, ...
    'Color', BRAPH2.COL_BKG, ...
    'Units', 'pixels', ...
    'Position', [(w(0)-s(48))/2 (h(0)-s(30))/2 s(48) s(30)], ...
    varargin{:} ...
    );

icon = rgb2gray(imread('braph2icon.png'));
h_axes = uiaxes( ...
    'Parent', f,  ...
    'Tag', 'h_axes', ...
    'Visible', 'off', ...
    'InnerPosition', [s(1) s(13) s(16) s(16)], ...
    'XLim', [0 size(icon, 1)], ...
    'YLim', [0 size(icon, 2)], ...
    'YDir', 'reverse', ...
    'Colormap', [BRAPH2.COL_BKG; repmat(BRAPH2.COL, 254, 1); 1 1 1] ...
    );
h_image = image( ...
    'Parent', h_axes, ...
    'Tag', 'h_image', ...
    'CData', icon ...
    ); %#ok<NASGU>
h_axes.Toolbar.Visible = 'off';
h_axes.Interactions = [];

h_text = text( ...
    'Parent', h_axes, ...
    'Tag', 'h_text', ...
    'String', message, ...
    'FontSize', BRAPH2.FONTSIZE, ...
    'Position', [size(icon, 1) 0], ...
    'HorizontalAlignment', 'left', ...
    'VerticalAlignment', 'top' ...
    ); %#ok<NASGU>

h_button = uibutton( ...
    'Parent', f, ...
    'Tag', 'h_button', ...
    'Text', 'OK', ...
    'FontSize', BRAPH2.FONTSIZE, ...
    'Position', [s(5) s(7) s(8), s(1.8)], ...
    'ButtonPushedFcn', {@cb_button}, ...
    'Interruptible', 'off', ...
    'BusyAction', 'cancel' ...
    ); %#ok<NASGU>
    function cb_button(~, ~)
        close(f)
    end