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Tick event not firing on UMG widgets after 4.20 upgrade

After upgrading my projects from 4.19 to 4.20 the tick event has stopped working completely on all of my UMG widgets that have a C++ parent class, which is pretty much all of them. I made a quick test widget without a C++ parent class and the tick event worked fine in it. I tried playing with the new "Tick Frequency" setting on the widgets and got nothing. I tried deleting and re-adding the tick event and got nothing. I tried overriding the tick event in C++ and threw in a debug print on it and got nothing from the native tick either. Ive done the old delete the intermediate folder, rebuild, blah blah. Other things in the widgets like construct event, button clicks, etc work fine.

Product Version: UE 4.20
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asked Jul 20 '18 at 10:58 PM in Bug Reports

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avatar image Gilabite Jul 20 '18 at 11:46 PM

I made a new C++ UserWidget class and set the test widgets parent class to it, as soon as the you change the parent class and recompile the project the tick event stops working. Going to start digging through the engine code and see if I can figure whats changed, I suspect it has to do with the new "Tick Frequency" setting on the widgets.

avatar image Gilabite Jul 21 '18 at 03:48 AM

So if I dont override the NativeConstruct in the parent class the tick event works fine

avatar image Jeff A ♦♦ STAFF Jul 23 '18 at 07:21 PM


We've recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.



avatar image Gilabite Jul 24 '18 at 06:13 PM

Ok so of course right after I submitted the bug report I figured out what was wrong. Turns out Im stupid and there is nothing wrong with the tick event, I forgot to add the super into the NativeConstruct and there is a new function call in there that mine was missing since I forgot the super. So in short nothing to see here folks carry on and hopefully you can go in and kill the bug report I submitted, sorry :(

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