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Calling a callback function from another callback in the same Matlab GUI

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Luffy
Luffy on 7 Oct 2015
Answered: Ka Mirul on 28 Jan 2018
Hi,
I have a callback function of a menu object from which i want to call the callback the function of an edit box.I am calling it the same way as we normally call functions but it doesn't seem to work:
function edit19_Callback(hObject, eventdata, handles)
% hObject handle to edit19 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
string_edit19 = get(hObject,'String');
freq = str2num(string_edit19);
assignin('base','frequency',freq);
% ********************* other part of code **********************
function load_default_Callback(hObject, eventdata, handles)
% hObject handle to load_default (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
edit19_Callback(hObject, eventdata,handles); % -- doesn't work
I have gone through the following link but it doesn't help me: http://in.mathworks.com/matlabcentral/newsreader/view_thread/320742

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