MATLAB: How to use uiwait in GUI

guideuiwait

I want to use uiwait in my gui to prevent the rest of my script from advancing until the button 'end' is used. However, when I put uiwait in the opening function, it advances anyways. However, it only advances after using two buttons (initializing imfreehand) twice. If I put one more uiwait, the same happens after three times. Two other buttons don't have this effect on advancing the script. Therefore, it seem that these two buttons somehow delete the figure so uiwait advances. However, I can't figure out where, how and why.
Where should I put uiwait to have the desired effect (advancing only after the button 'end' is used)?

Best Answer

Use waitfor instead. Waitfor pauses calculation until the object destroyed or deleted. 
figHandle = uifigure(..) % or you can create another object, etc.
waitfor(figHandle); % when end button pressed, put delete to this button's callback and delete figHandle (or close figure inside this callback), so your code will continue after deletion.
% you can apply it any other objects not only figures
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