Is there an event that fires when a widget is collapsed?

Development Programming & Scripting UI
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1

Is it possible to set up an event in a custom Userwidget that will fire when that widget (itself) is collapsed?

if the solution requires C++, that’s ok. I have most of my project in C++ except for the design of the widgets.

My situation is this: I have a character sheet where the player can spend stat points. The character must select “ok” after spending stat points to make the changes permanent. There is also a cancel button that unspends all the spent stat points.

I would like the “cancel” function to also run when the character sheet is closed.

2

There is an easier solution than detecting onCollapsed.

Your Cancel function is, most likely, hooked up to a button press event - something like onClick. While you cannot call this onClick directly in UMG, you can create a custom event and connect it to the same network of nodes. When you close the character sheet, call the custom event - this will simulate pressing the button.