MATLAB: Function pushbutton​1_Callback​(hObject, eventdata, handles)

Question

 function pushbutton1_Callback(hObject, eventdata, handles)
handles.metricdata.a=1;
function pushbutton2_Callback(hObject, eventdata, handles)
b=handles.metricdata.a;
if(b~=1)
   msgbox('ok');
end
if(b==1)
   msgbox('false');
end

in above code, if i don't press pushbutton1 and i press pushbutton2 then message 'ok' should display and if i press pushbutton1 and i press pushbutton2 then message 'false' should display.

Answer 1

In function pushbutton1_Callback you should update your handles

handles.metricdata.a=1;
guidata(hObject,handles)