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API > API/Runtime > API/Runtime/SlateCore > API/Runtime/SlateCore/FastUpdate > API/Runtime/SlateCore/FastUpdate/FSlateInvalidationRoot
References
| Module | SlateCore |
| Header | /Engine/Source/Runtime/SlateCore/Public/FastUpdate/SlateInvalidationRoot.h |
| Include | #include "FastUpdate/SlateInvalidationRoot.h" |
FHittestGrid &42; GetHittestGrid&40;&41; const
the HittestGrid of the InvalidationRoot.