Pushbutton in GUI

Question

armin 2011-7-18

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/11793-pushbutton-in-gui

评论： vasantha malairamar 2017-2-13

采纳的回答： Harry MacDowel

hi

In my GUI i have 2 pushbutton, How can i recieve an output from number one and use that in number 2???

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Gerd 2011-7-18

Hio Armin,

what exactly do you want to do?

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Answer 1

Harry MacDowel 2011-7-18

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https://ww2.mathworks.cn/matlabcentral/answers/11793-pushbutton-in-gui#answer_16108

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I do not know whether you refer to the variables which are executed in pushbutton1 to pass it to pushbutton2 or you want to know that pushbutton1 is pushed so you pass something over to pushbutton2. Either way I will provide you simple examples:

To pass the value of a variable calculated in pushbutton1 to pushbutton2, simply use the global command.

function pushbutton1_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global var1;
x = get(input_x.handles,'Value',str2num());
y = get(input_y.handles,'Value',str2num());
var1 = x*y^2;
guidata(hObject,handles);
function pushbutton2_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton2 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global var1;
disp(var1);
guidata(hObject,handles);

If you would like to pass something from pushbutton1 to pushbutton2 when you know pushbutton1 is pushed, simply get the Value from the pushbutton while globalizing the variables you want to pass:-

function pushbutton1_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global var1;
x = get(input_x.handles,'Value',str2num());
y = get(input_y.handles,'Value',str2num());
var1 = x*y^2;
guidata(hObject,handles);
function pushbutton2_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton2 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
global var1;
if get(handles.pushbutton1,'Value')
    disp(var1);
end
guidata(hObject,handles);