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Question by TickTakashi · Aug 12, 2016 at 06:58 PM · ui raycast button hierarchy

Toggle/Button is Clickable Behind Image unless Image has no Parent?

I have a Toggle behind a Image, and for some reason it is clickable despite the image on top being both a raycast target and having a CanvasGroup component with "Blocks Raycasts" checked. This also happens with Buttons.

If I have this Structure:

Root:
- Button
- Image

Then the Button cannot be clicked, however:

Root:
- Button
- RectTransform
- - Image

Does not block the button from being clicked, even if the RectTransform also has a CanvasGroup that blocks raycasts.

Any idea why? Is this a bug? I don't seem to recall this being the case previously.

Using Unity 5.4.

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