i have done open camera in gui on axes 1, now when i click on pushbutton the image will captured. what code is used here. i have many error during this.

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)
handles.output = hObject;
w=vid;
while true
    img=w.snapshot;
    imshow(img);
    pause(1)
end

Answer 1

[Image Analyst]

You didn't get "vid" into your local callback function. See the FAQ

Try

snappedImage = getsnapshot();