How to display a selected text file in the listbox1 in another listbox

Firstly, I set a push button being able to multiple choice and files I selected is listing in the listbox1 which title is "Selected File(s)". What I want to do is that I display a highlighted file in blue in the listbox1 in the listbox2 located at the right of listbox1...

I tried to write codes;

   aaa = fileread(get(handles.lixtbox1, 'value'));
    set(handles.text3,'string',aaa);