Enumerable.LeftJoin Method
Definition
Important
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Overloads
LeftJoin<TOuter,TInner,TKey,TResult>(IEnumerable<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>)
public:
generic <typename TOuter, typename TInner, typename TKey, typename TResult>
[System::Runtime::CompilerServices::Extension]
static System::Collections::Generic::IEnumerable<TResult> ^ LeftJoin(System::Collections::Generic::IEnumerable<TOuter> ^ outer, System::Collections::Generic::IEnumerable<TInner> ^ inner, Func<TOuter, TKey> ^ outerKeySelector, Func<TInner, TKey> ^ innerKeySelector, Func<TOuter, TInner, TResult> ^ resultSelector, System::Collections::Generic::IEqualityComparer<TKey> ^ comparer);public static System.Collections.Generic.IEnumerable<TResult> LeftJoin<TOuter,TInner,TKey,TResult>(this System.Collections.Generic.IEnumerable<TOuter> outer, System.Collections.Generic.IEnumerable<TInner> inner, Func<TOuter,TKey> outerKeySelector, Func<TInner,TKey> innerKeySelector, Func<TOuter,TInner?,TResult> resultSelector, System.Collections.Generic.IEqualityComparer<TKey>? comparer);static member LeftJoin : seq<'Outer> * seq<'Inner> * Func<'Outer, 'Key> * Func<'Inner, 'Key> * Func<'Outer, 'Inner, 'Result> * System.Collections.Generic.IEqualityComparer<'Key> -> seq<'Result><Extension()>
Public Function LeftJoin(Of TOuter, TInner, TKey, TResult) (outer As IEnumerable(Of TOuter), inner As IEnumerable(Of TInner), outerKeySelector As Func(Of TOuter, TKey), innerKeySelector As Func(Of TInner, TKey), resultSelector As Func(Of TOuter, TInner, TResult), comparer As IEqualityComparer(Of TKey)) As IEnumerable(Of TResult)Type Parameters
- TOuter
- TInner
- TKey
- TResult
Parameters
- outer
- IEnumerable<TOuter>
- inner
- IEnumerable<TInner>
- outerKeySelector
- Func<TOuter,TKey>
- innerKeySelector
- Func<TInner,TKey>
- resultSelector
- Func<TOuter,TInner,TResult>
- comparer
- IEqualityComparer<TKey>
Returns
IEnumerable<TResult>
Applies to
.NET 10
| Продукт | Версии |
|---|---|
| .NET | 10 |
LeftJoin<TOuter,TInner,TKey,TResult>(IEnumerable<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>)
public:
generic <typename TOuter, typename TInner, typename TKey, typename TResult>
[System::Runtime::CompilerServices::Extension]
static System::Collections::Generic::IEnumerable<TResult> ^ LeftJoin(System::Collections::Generic::IEnumerable<TOuter> ^ outer, System::Collections::Generic::IEnumerable<TInner> ^ inner, Func<TOuter, TKey> ^ outerKeySelector, Func<TInner, TKey> ^ innerKeySelector, Func<TOuter, TInner, TResult> ^ resultSelector);public static System.Collections.Generic.IEnumerable<TResult> LeftJoin<TOuter,TInner,TKey,TResult>(this System.Collections.Generic.IEnumerable<TOuter> outer, System.Collections.Generic.IEnumerable<TInner> inner, Func<TOuter,TKey> outerKeySelector, Func<TInner,TKey> innerKeySelector, Func<TOuter,TInner?,TResult> resultSelector);static member LeftJoin : seq<'Outer> * seq<'Inner> * Func<'Outer, 'Key> * Func<'Inner, 'Key> * Func<'Outer, 'Inner, 'Result> -> seq<'Result><Extension()>
Public Function LeftJoin(Of TOuter, TInner, TKey, TResult) (outer As IEnumerable(Of TOuter), inner As IEnumerable(Of TInner), outerKeySelector As Func(Of TOuter, TKey), innerKeySelector As Func(Of TInner, TKey), resultSelector As Func(Of TOuter, TInner, TResult)) As IEnumerable(Of TResult)Type Parameters
- TOuter
- TInner
- TKey
- TResult
Parameters
- outer
- IEnumerable<TOuter>
- inner
- IEnumerable<TInner>
- outerKeySelector
- Func<TOuter,TKey>
- innerKeySelector
- Func<TInner,TKey>
- resultSelector
- Func<TOuter,TInner,TResult>
Returns
IEnumerable<TResult>
Applies to
.NET 10
| Продукт | Версии |
|---|---|
| .NET | 10 |
