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[req] How to use global variables in MATLAB GUI callback?

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leotim

leotim

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matlab gui global variable

Hi all,
I want to define some global variables in MATLAB GUI. I need to use these variables in all of my callback functions. i have attached the GUI M-File.

it seems that sing the global declaration does not work in this case. i have defined my global variables in line 57-61, but i can not use these variables in line 120.

Any one can help me?
 

matlab gui callback

you should repaet the definition before line 120. you are working in function edit_p0_KeyPressFcn and you defined your global variable in mygui_OpeningFcn
when you want use your global variable define it before your usage.

example
function a;
global var1 = 10;

function b;
global var1;
var2 = var1; ======> its work try it



leotim said:
Hi all,
I want to define some global variables in MATLAB GUI. I need to use these variables in all of my callback functions. i have attached the GUI M-File.

it seems that sing the global declaration does not work in this case. i have defined my global variables in line 57-61, but i can not use these variables in line 120.

Any one can help me?
Click to expand...
 

    leotim

    leotim

    Points: 2
    Helpful Answer Positive Rating
Well, that did work for me. Just wanted to acknowledge for the assistance I got from your post. Despite being old one, that was a real useful one.
 

Yes, that's true, although it's very strange and unpredictable.

It really works.
 

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