TWidgetFactory ( [UWidget](API\Runtime\UMG\Components\UWidget) & InOwningWidget, [TSubclassOf](API\Runtime\CoreUObject\Templates\TSubclassOf)< WidgetType > InWidgetClass, [TFunction](API\Runtime\Core\GenericPlatform\TFunction)< [UObject](API\Runtime\CoreUObject\UObject\UObject) *(void)> && InOuterGetter, bool InTrackActiveWidgets )