IndexExtensionIndexTSource Method (IEnumerableTSource, Int32)

Returns a sequence of KeyValuePairTKey, TValue where the key is the index of the value in the source sequence. An additional parameter specifies the starting index.

Namespace: MoreLinq.Extensions
Assembly: MoreLinq (in MoreLinq.dll) Version: 3.0.0

Syntax

C++

Copy

public static IEnumerable<KeyValuePair<int, TSource>> Index<TSource>(
	this IEnumerable<TSource> source,
	int startIndex
)

<ExtensionAttribute>
Public Shared Function Index(Of TSource) ( 
	source As IEnumerable(Of TSource),
	startIndex As Integer
) As IEnumerable(Of KeyValuePair(Of Integer, TSource))

public:
[ExtensionAttribute]
generic<typename TSource>
static IEnumerable<KeyValuePair<int, TSource>>^ Index(
	IEnumerable<TSource>^ source, 
	int startIndex
)

[<ExtensionAttribute>]
static member Index : 
        source : IEnumerable<'TSource> * 
        startIndex : int -> IEnumerable<KeyValuePair<int, 'TSource>>

Parameters

source: Type: System.Collections.GenericIEnumerableTSource
The source sequence.
startIndex: Type: SystemInt32

Type Parameters

TSource: Type of elements in source sequence.

Return Value

Type: IEnumerableKeyValuePairInt32, TSource
A sequence of KeyValuePairTKey, TValue.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerableTSource. 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).

Remarks

This operator uses deferred execution and streams its results.

Reference

IndexExtension Class

Index Overload

MoreLinq.Extensions Namespace