BcfReadOnlyArrayListExtensionsElementAtOrDefaultTSource Method

Returns the element at a specified index in a sequence or a default value if the index is out of range.

Namespace: System.Linq
Assembly: CalculationWorks.BusinessModel (in CalculationWorks.BusinessModel.dll) Version: 4.2.0

Syntax

Copy

public static TSource ElementAtOrDefault<TSource>(
	this BcfReadOnlyArrayList<TSource> source,
	int index
)

<ExtensionAttribute>
Public Shared Function ElementAtOrDefault(Of TSource) ( 
	source As BcfReadOnlyArrayList(Of TSource),
	index As Integer
) As TSource

Parameters

source: Type: CalculationWorks.BusinessModelBcfReadOnlyArrayListTSource
The source.
index: Type: SystemInt32
The zero-based index of the element to retrieve.

Type Parameters

TSource: The type of the elements of source.

Return Value

Type: TSource
The element at a specified index in a sequence or a default value if the index is out of range.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type BcfReadOnlyArrayListTSource. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Reference

BcfReadOnlyArrayListExtensions Class