'Declaration
 
Public Shared Function GroupJoin
    (Of TOuter,TInner,TKey,TResult)( _
   ByVal outer As IIndexedSource(Of TOuter), _
   ByVal inner As System.Collections.Generic.IEnumerable(Of TInner), _
   ByVal outerKeySelector As System.Linq.Expressions.Expression(Of Func(Of TOuter,TKey)), _
   ByVal innerKeySelector As System.Linq.Expressions.Expression(Of Func(Of TInner,TKey)), _
   ByVal resultSelector As System.Linq.Expressions.Expression(Of Func(Of TOuter,IEnumerable(Of TInner),TResult)) _
) As IIndexedSource(Of TResult)

public static IIndexedSource<TResult> GroupJoin<TOuter,TInner,TKey,TResult>( 
   IIndexedSource<TOuter> outer,
   System.Collections.Generic.IEnumerable<TInner> inner,
   System.Linq.Expressions.Expression<Func<TOuter,TKey>> outerKeySelector,
   System.Linq.Expressions.Expression<Func<TInner,TKey>> innerKeySelector,
   System.Linq.Expressions.Expression<Func<TOuter,IEnumerable<TInner>,TResult>> resultSelector
)

Parameters

outer

The first collection to join.

inner

The collection to join to the first collection.

outerKeySelector

A function to extract the join key from each element of the first collection.

innerKeySelector

A function to extract the join key from each element of the second collection.

resultSelector

A function to create a result element from an element from the first collection and a collection of matching elements from the second collection.

Type Parameters

TOuter

The type of the elements of the first collection.

TInner

The type of the elements of the second collection.

TKey

The type of the keys returned by the key selector functions.

TResult

The type of the result elements.

Return Value

Reference

IndexedQueryExtensions Class
IndexedQueryExtensions Members