MATLAB Object-Oriented Programming

end

methods

function buttonObj = PushButton

myFig = figure;

buttonObj.AxHandle = axes('Parent',myFig);

uicontrol('Parent',myFig,...

'Style','pushbutton',...

'String','Plot Data',...

'Callback',@(src,evnt)pressed(buttonObj));

addlistener(buttonObj,'ResultNumber','PreSet',...

@PushButton.updateTitle);

end

end

methods

function pressed(obj)

scatter(obj.AxHandle,randn(1,20),randn(1,20),'p')

obj.ResultNumber = obj.ResultNumber + 1;

end

end

methods (Static)

function updateTitle(~,eventData)

h = eventData.AffectedObject;

set(get(h.AxHandle,'Title'),'String',['Result Number: ',...

num2str(h.ResultNumber)])

end

end

end

The scatter graph looks similar to this graph after three push-button clicks.

buttonObj = PushButton;

11 Events — Sending and Responding to Messages