BcfReadOnlyArrayListExtensionsFirstOrDefaultTSource Method (BcfReadOnlyArrayListTSource)

Returns the first element of a sequence, or a default value if the sequence contains no elements.

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

Syntax

public static TSource FirstOrDefault<TSource>(
	this BcfReadOnlyArrayList<TSource> source
)

<ExtensionAttribute>
Public Shared Function FirstOrDefault(Of TSource) ( 
	source As BcfReadOnlyArrayList(Of TSource)
) As TSource

source: Type: CalculationWorks.BusinessModelBcfReadOnlyArrayListTSource
The source.

Type: TSource
The first element of a sequence, or a default value if the sequence contains no elements.

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).