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API > API/Runtime > API/Runtime/UMG > API/Runtime/UMG/UWidget
Description
Invalidates the widget from the view of a layout caching widget that may own this widget. will force the owning widget to redraw and cache children on the next paint pass.
| Name | InvalidateLayoutAndVolatility |
| Type | function |
| Header File | /Engine/Source/Runtime/UMG/Public/Components/Widget.h |
| Include Path | #include "Components/Widget.h" |
| Source | /Engine/Source/Runtime/UMG/Private/Components/Widget.cpp |
UFUNCTION (BlueprintCallable, Category="Widget")
void InvalidateLayoutAndVolatility()