How I can use some object method for uicontrol callback function?

For example, I want create a figure in object method, but how than I can call some method from this figure?

    classdef test
        methods
            function disp(obj)
                  disp('hello')
            end
            function makeFig(obj)
                 figure;
                 uicontrol('style','pushbutton','callback',@obj.disp)  % don't work
            end
        end
    end

Answer 1

[Walter Roberson]

Change @obj.disp to

@(src,event) obj.disp

Callbacks must accept the two parameters automatically provided by MATLAB.

[Zak Kankin]

Wow! Thank you!