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  3. IAccessibleWidget::SearchForFirstChildFrom

IAccessibleWidget::SearchForFirstChildFrom

Returns the first instance of a child from a source widget that satisfies a search criteria.

API > API/Runtime > API/Runtime/ApplicationCore > API/Runtime/ApplicationCore/IAccessibleWidget

Description

Returns the first instance of a child from a source widget that satisfies a search criteria. If the passed in source widget does not have any children or if there are no children that satisfy the search criteria, nullptr is returned. The search criteria can be either a functor or lambda that acts as a predicate. It must return a bool and take in a const TSharedRef& as an argument.

   
Name SearchForFirstChildFrom
Type function
Header File /Engine/Source/Runtime/ApplicationCore/Public/GenericPlatform/Accessibility/GenericAccessibleInterfaces.h
Include Path #include "GenericPlatform/Accessibility/GenericAccessibleInterfaces.h" 
template<typename PredicateType>  
static TSharedPtr < IAccessibleWidget > SearchForFirstChildFrom  
(  
    const TSharedRef < IAccessibleWidget > & Source,  
    PredicateType Predicate  
)

The first child from the source widget that satisfies the search criteria.

Parameters

Name Remarks
Source The accessible widget to start searching from.
SearchCriteria A predicate that takes a const TSharedRef& as an argument and returns true if the passed in widget satisfies the search criteria. When an accessible widget that satisfies the SearchCriteria is found, it is returned by the function.

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