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API > API/Runtime > API/Runtime/SlateCore > API/Runtime/SlateCore/FastUpdate > API/Runtime/SlateCore/FastUpdate/FWidgetProxyHandle > API/Runtime/SlateCore/FastUpdate/FWidgetProxyHandle/IsValid
References
| Module | SlateCore |
| Header | /Engine/Source/Runtime/SlateCore/Public/FastUpdate/WidgetProxy.h |
| Include | #include "FastUpdate/WidgetProxy.h" |
| Source | /Engine/Source/Runtime/SlateCore/Private/FastUpdate/WidgetProxy.cpp |
bool IsValid
&40;
const SWidget &42; Widget
&41; const
true if it has a valid InvalidationRoot and Index.