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: ipctb_ica_listdlg.m
    path of file: ./repos/bspm/thirdparty/MIALAB/gipc1d/ipctb_ica
    
    the code of the file until where you have to start completion: function [selection, value] = ipctb_ica_listdlg(varargin)
% inputs: prompt string, List string, name of the ok button, name of the
% cancel button, window style, name of the figure w
    
function callbacks here

% help callback
function helpCallback(hObject, evd, handles)

% help button callback
helpDetails = get(hObject, 'userdata');

if isfield(helpDetails, 'str')
    str = helpDetails.str;
else
    str = '';
end