GroupJoin<T2,TResult>(IEnumerable<T2>,Func<T2,Object>,Func<T,IEnumerable<T2>,TResult>) Method

Correlates the items of this indexed collection with the items of another sequence and groups the results by the item of this collection.

Syntax

Visual Basic
C#

'Declaration
 
Overloads Function GroupJoin
    (Of T2,TResult)( _
   ByVal source As System.Collections.Generic.IEnumerable(Of T2), _
   ByVal keySelector As System.Func(Of T2,Object), _
   ByVal resultSelector As System.Func(Of T,IEnumerable(Of T2),TResult) _
) As System.Collections.Generic.IEnumerable(Of TResult)

System.Collections.Generic.IEnumerable<TResult> GroupJoin<T2,TResult>( 
   System.Collections.Generic.IEnumerable<T2> source,
   System.Func<T2,object> keySelector,
   System.Func<T,IEnumerable<T2>,TResult> resultSelector
)

Parameters

source: The second sequence to join to this collection.
keySelector: A function to extract from an item of the second sequence the value to match against this collection's key value.
resultSelector: A function to create a result element from an element from this collection and a collection of matching elements from the second sequence.

Type Parameters

T2: The type of the elements of the second sequence.
TResult: The type of the result elements.

Return Value

Enumeration of objects obtained by applying the result selector to group pairs, where each pair consists of an item of this collection and the corresponding enumeration of the items of the second sequence joined to it.

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

IIndexScanner<T> Interface
IIndexScanner<T> Members
Overload List