Method GetFirst

GetFirst(VisualElement, TypeSearch, Predicate<VisualElement>)

Retrieves the firstVisualElement.

Declaration

public static VisualElement GetFirst(this 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	FirstVisualElementretrieved.

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

Retrieves the firstVisualElementaccording to the filter applied via the selector.

Declaration

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

Parameters

Type	Name	Description
VisualElement	host	VisualElementconsidered as host.
string	selector	The text to be parsed as a selector.
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 firstVisualElement.

Declaration

public static VisualElement GetFirst(this 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	FirstVisualElementretrieved.

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

Retrieves the firstVisualElementaccording to the filter applied via the selector.

Declaration

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

Parameters

Type	Name	Description
IEnumerable<VisualElement>	hosts	List ofVisualElementconsidered as hosts.
string	selector	The text to be parsed as a selector.
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>(VisualElement, TypeSearch, Predicate<TResult>)

Retrieves the first element.

Declaration

public static TResult GetFirst<TResult>(this 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.

Type Parameters

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

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

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

Declaration

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

Parameters

Type	Name	Description
VisualElement	host	VisualElementconsidered as host.
string	selector	The text to be parsed as a selector.
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>(IEnumerable<VisualElement>, TypeSearch, Predicate<TResult>)

Retrieves the first element.

Declaration

public static TResult GetFirst<TResult>(this 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.

Type Parameters

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

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

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

Declaration

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

Parameters

Type	Name	Description
IEnumerable<VisualElement>	hosts	List ofVisualElementconsidered as hosts.
string	selector	The text to be parsed as a selector.
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.