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Re: Problem with Callback function (Error while evaluating uicontrol Callback)
Posted:
Mar 10, 2013 10:53 PM
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<abo.arqam@gmail.com> wrote in message
news:f5481e07-54c7-487d-8558-f1ba60d5e842@googlegroups.com...
> On Wednesday, August 20, 2008 12:19:56 PM UTC+3, rodney....@gmail.com
> wrote:
>> On Aug 20, 4:46 pm, wapo <apostolos.georga...@gmail.com> wrote:
*snip*
> I am new to matlab and i need to learn how to use the gui ,the first thing
> i tried to do is to make a sum and diff program with gui and whenever i
> need to run it i get the follwoing error, i even tried other ready guis
> and still get the same broblem :
> ??? Reference to non-existent field 'result'.
>
> Error in ==> Gui>sum_button_Callback at 164
> set(handles.result,'string',num2srt(y));
How did you launch the GUI? Did you run the function file associated with
the GUI or did you launch it by double-clicking on the figure file? For
GUIDE GUIs you MUST run the function file; it performs some setup that is
necessary for proper execution of the GUI, and double-clicking that figure
file doesn't perform that setup.
--
Steve Lord
slord@mathworks.com
To contact Technical Support use the Contact Us link on
http://www.mathworks.com
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