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API > API/Runtime > API/Runtime/SlateCore > API/Runtime/SlateCore/FastUpdate > API/Runtime/SlateCore/FastUpdate/FSlateInvalidationWidgetIndex
References
| Module | SlateCore |
| Header | /Engine/Source/Runtime/SlateCore/Public/FastUpdate/SlateInvalidationWidgetIndex.h |
| Include | #include "FastUpdate/SlateInvalidationWidgetIndex.h" |
Syntax
static const FSlateInvalidationWidgetIndex Invalid = { std::numeric_limits<FSlateInvalidationWidgetIndex::IndexType>::max, std::numeric_limits<FSlateInvalidationWidgetIndex::IndexType>::max };