Error running GUI outside of GUIDE

Question

Adrien 2013-7-9

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/81480-error-running-gui-outside-of-guide

Hi,

I designed a UI using GUIDE, such that the push button allows me to select a file from a folder and a list box displays the name of the file. I proceeded to run it (run figure in GUIDE) and it worked.

The issue here is when I close GUIDE and open the .fig file. In this case, it returns the error shown:

??? Reference to non-existent field 'listbox3'.
Error in ==> mlp_gui>sel_out_dat_Callback at 84
set(handles.listbox3,'String',handles.outputdata)
Error in ==> gui_mainfcn at 96
        feval(varargin{:});
Error in ==> mlp_gui at 42
    gui_mainfcn(gui_State, varargin{:});
Error in ==>
@(hObject,eventdata)mlp_gui('sel_out_dat_Callback',hObject,eventdata,guidata(hObject))
??? Error while evaluating uicontrol Callback

My guess for this error is that the handle for the listbox was not created in the case where I operated the UI outside of GUIDE?

Any suggestions to correct this will be helpful.

Thanks!

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Answer 1

David Sanchez 2013-7-9

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https://ww2.mathworks.cn/matlabcentral/answers/81480-error-running-gui-outside-of-guide#answer_91216

Are you trying to run the m-file associated to the fig-file? You have to run the .m file in order to run your GUI.

( Right click on m-file -> run )

( Type in command window the name of the m-file (no-extension needed) )

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Adrien 2013-7-9

编辑：Adrien 2013-7-9

Hi David,

No, I'm not. I'm trying to get the GUI itself (i.e. .fig file) to work. In my case the GUI (.fig) works when I run it from the m-file or GUIDE. But once I close both and try to run .fig on its own it fails.

On the other hand, are you saying that I cannot run the GUI using just the .fig file? That I would need to prompt it using the m-file instead?

Thanks.

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Answer 2

Ravi 2013-7-9

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https://ww2.mathworks.cn/matlabcentral/answers/81480-error-running-gui-outside-of-guide#answer_91217

Click GUI icon on toolbar or Type GUIDE in Command Window... Then GUI window opens.... Click Open Existing GUI... Open the GUI created by you... Then RUN

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Adrien 2013-7-9

Hi Ravi,

Thanks for the help, but this isn't the issue.

I tried running the GUI (.fig) by clicking on it in the Current folder window and it failed, but it was ok when I tried running (debugging) it in the m-file or GUIDE.

Please advise.

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