code for toolbar editor

[SerogaM]

I want to create a Matlab Gui that can open an image by clicking on open button on toolbar
I build a toolbar
and add a code for opening a file but hhow I tell to it open it on specific place on my Gui
thats a code for open a file

ile = uigetfile('*.gif');
if ~isequal(file, 0)
    open(file);
   
end

thanks Sergey