I'm new to MATLAB GUI and want to ask for help

So I was looking for some examples of GUI and then I found a file in this community. I was going to check if how does the GUI look and check for the codes that were used. However, when I tried to run the .m file, it shows error which is attached in this post. I hope you help me as I am new to doing GUI in MATLAB.

[Master]

Btw, I am currently using the version R2022b.

[Master]

d=dir('*.m');

readlines(d.name)

Thank you for your response! But I was wondering if where should I put these commands?

In addition, do I need the .fig file to be able to run this? If so, I do not currently have any of that file since I was only able to have the .m file.

[dpb]

Nowhere, I was just echoing out the content of the m file to see what it contained without downloading it from the site....see the Answer to the Q? I posted after seeing that...

Answer 1

[dpb]

The problem running the function is that it expects there to be an already-existing .fig file that you didn't download with the m file. As the help message shows, it's the same root filename but with a .fig extension.

However, as the help info

help imageprocessinggui

  IMAGEPROCESSINGGUI MATLAB code for imageprocessinggui.fig
       IMAGEPROCESSINGGUI, by itself, creates a new IMAGEPROCESSINGGUI or raises the existing
       singleton*.
 
       H = IMAGEPROCESSINGGUI returns the handle to a new IMAGEPROCESSINGGUI or the handle to
       the existing singleton*.
 
       IMAGEPROCESSINGGUI('CALLBACK',hObject,eventData,handles,...) calls the local
       function named CALLBACK in IMAGEPROCESSINGGUI.M with the given input arguments.
 
       IMAGEPROCESSINGGUI('Property','Value',...) creates a new IMAGEPROCESSINGGUI or raises the
       existing singleton*.  Starting from the left, property value pairs are
       applied to the GUI before imageprocessinggui_OpeningFcn gets called.  An
       unrecognized property name or invalid value makes property application
       stop.  All inputs are passed to imageprocessinggui_OpeningFcn via varargin.
 
       *See GUI Options on GUIDE's Tools menu.  Choose "GUI allows only one
       instance to run (singleton)".
 
  See also: GUIDE, GUIDATA, GUIHANDLES

indicates, it was built with GUIDE which has been deprecated and should not be used for new GUI development; <use App Designer> instead.

That said, it might be an interesting exercise to see about <converting the above from GUID to AppDesigner>

[Master]

Ohh, I see. Thank you and I'll try to convert it now and check if it would work. Thank you again!

[dpb]

Good luck. You'll still need the associated figure in the missing .fig file, however; that's where all the gui stuff is in a GUIDE app...

Answer 2

[Voss]

m-files created with GUIDE require an associated .fig file of the same name. You should go back to where you found the m-file and download the associated .fig file as well.