Method GetFirst

GetFirst(UIDocument, TypeSearch, Predicate<VisualElement>)

Retrieves the firstVisualElementaccording to the filter applied via the selector.

Declaration

public VisualElement GetFirst(UIDocument document, UIToolkitComponent.TypeSearch searchFrom = TypeSearch.Container, Predicate<VisualElement> predicate = null)

Parameters

Type	Name	Description
UIDocument	document	TheUIDocumentcontaining theTemplateContainerthat will be considered as host.
UIToolkitComponent.TypeSearch	searchFrom	Target children from the parent's container (indirect) or via the hierarchy (direct).
Predicate<VisualElement>	predicate	Function to filter the result.

Returns

Type	Description
VisualElement	FirstVisualElementretrieved according to the filter applied via the selector.

GetFirst(VisualElement, TypeSearch, Predicate<VisualElement>)

Retrieves the firstVisualElementaccording to the filter applied via the selector.

Declaration

public VisualElement GetFirst(VisualElement host, UIToolkitComponent.TypeSearch searchFrom = TypeSearch.Container, Predicate<VisualElement> predicate = null)

Parameters

Type	Name	Description
VisualElement	host	VisualElementconsidered as host.
UIToolkitComponent.TypeSearch	searchFrom	Target children from the parent's container (indirect) or via the hierarchy (direct).
Predicate<VisualElement>	predicate	Function to filter the result.

Returns

Type	Description
VisualElement	FirstVisualElementretrieve according to the filter applied via the selector.

GetFirst(IEnumerable<VisualElement>, TypeSearch, Predicate<VisualElement>)

Retrieves the firstVisualElementaccording to the filter applied via the selector.

Declaration

public VisualElement GetFirst(IEnumerable<VisualElement> hosts, UIToolkitComponent.TypeSearch searchFrom = TypeSearch.Container, Predicate<VisualElement> predicate = null)

Parameters

Type	Name	Description
IEnumerable<VisualElement>	hosts	List ofVisualElementconsidered as hosts.
UIToolkitComponent.TypeSearch	searchFrom	Target children from the parent's container (indirect) or via the hierarchy (direct).
Predicate<VisualElement>	predicate	Function to filter the result.

Returns

Type	Description
VisualElement	FirstVisualElementretrieve according to the filter applied via the selector.

GetFirst<TResult>(IEnumerable<VisualElement>, TypeSearch, Predicate<TResult>)

Retrieves the first element according to the filter applied via the selector.

Declaration

public TResult GetFirst<TResult>(IEnumerable<VisualElement> hosts, UIToolkitComponent.TypeSearch searchFrom = TypeSearch.Container, Predicate<TResult> predicate = null) where TResult : VisualElement

Parameters

Type	Name	Description
IEnumerable<VisualElement>	hosts	List ofVisualElementconsidered as hosts.
UIToolkitComponent.TypeSearch	searchFrom	Target children from the parent's container (indirect) or via the hierarchy (direct).
Predicate<TResult>	predicate	Function to filter the result.

Returns

Type	Description
TResult	First element retrieved according to the filter applied via the selector.

Type Parameters

Name	Description
TResult	Type of the result based on the class.VisualElement.

GetFirst<TResult>(UIDocument, TypeSearch, Predicate<TResult>)

Retrieves the first element according to the filter applied via the selector.

Declaration

public TResult GetFirst<TResult>(UIDocument document, UIToolkitComponent.TypeSearch searchFrom = TypeSearch.Container, Predicate<TResult> predicate = null) where TResult : VisualElement

Parameters

Type	Name	Description
UIDocument	document	TheUIDocumentcontaining theTemplateContainerthat will be considered as host.
UIToolkitComponent.TypeSearch	searchFrom	Target children from the parent's container (indirect) or via the hierarchy (direct).
Predicate<TResult>	predicate	Function to filter the result.

Returns

Type	Description
TResult	First element retrieved according to the selector according to the filter applied via the selector.

Type Parameters

Name	Description
TResult	Type of the result based on the class.VisualElement.

GetFirst<TResult>(VisualElement, TypeSearch, Predicate<TResult>)

Retrieves the first element according to the filter applied via the selector.

Declaration

public TResult GetFirst<TResult>(VisualElement host, UIToolkitComponent.TypeSearch searchFrom = TypeSearch.Container, Predicate<TResult> predicate = null) where TResult : VisualElement

Parameters

Type	Name	Description
VisualElement	host	VisualElementconsidered as host.
UIToolkitComponent.TypeSearch	searchFrom	Target children from the parent's container (indirect) or via the hierarchy (direct).
Predicate<TResult>	predicate	Function to filter the result.

Returns

Type	Description
TResult	First element retrieved according to the filter applied via the selector.

Type Parameters

Name	Description
TResult	Type of the result based on the class.VisualElement.