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How to Disable Button in Dialog Box

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btnOpt_1 = 'Collect new data';
btnOpt_2 = 'Use saved data';
answer = questdlg('Please choose data source :' , 'FilterWheel' , btnOpt_1 , btnOpt_2 , btnOpt_2);
I want my btnOpt_1 to be Disabled (grayed-out). How can this be done?
  1 Comment
Vasista Adupa
Vasista Adupa on 11 Aug 2020
I have the exact same query. disabling a option in the questdlg choices.

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Accepted Answer

Arthur Roué
Arthur Roué on 11 Aug 2020
You cannot disable a button using questdlg function. The only thing you can do is to remove the option.
If you do want a grayed-out button, build your own GUI, I can help you if you need help on this point, just ask in comment.
Mark Golberg
Mark Golberg on 12 Aug 2020
could you send me the code for GUIDE components?
Arthur Roué
Arthur Roué on 13 Aug 2020
If you launch GUIDE (write guide in command window), one of the template is a modal question dialog box.
You can start with this example, and correct the code as you wish.

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