MoreEnumerableOrderByT, TKey Method (IEnumerableT, FuncT, TKey, IComparerTKey, OrderByDirection) |
Sorts the elements of a sequence in a particular direction (ascending, descending) according to a key
Namespace:
MoreLinq
Assembly:
MoreLinq (in MoreLinq.dll) Version: 2.8.0
Syntax public static IOrderedEnumerable<T> OrderBy<T, TKey>(
this IEnumerable<T> source,
Func<T, TKey> keySelector,
IComparer<TKey> comparer,
OrderByDirection direction
)
<ExtensionAttribute>
Public Shared Function OrderBy(Of T, TKey) (
source As IEnumerable(Of T),
keySelector As Func(Of T, TKey),
comparer As IComparer(Of TKey),
direction As OrderByDirection
) As IOrderedEnumerable(Of T)
public:
[ExtensionAttribute]
generic<typename T, typename TKey>
static IOrderedEnumerable<T>^ OrderBy(
IEnumerable<T>^ source,
Func<T, TKey>^ keySelector,
IComparer<TKey>^ comparer,
OrderByDirection direction
)
[<ExtensionAttribute>]
static member OrderBy :
source : IEnumerable<'T> *
keySelector : Func<'T, 'TKey> *
comparer : IComparer<'TKey> *
direction : OrderByDirection -> IOrderedEnumerable<'T>
Parameters
- source
- Type: System.Collections.GenericIEnumerableT
The sequence to order - keySelector
- Type: SystemFuncT, TKey
A key selector function - comparer
- Type: System.Collections.GenericIComparerTKey
A comparer used to define the semantics of element comparison - direction
- Type: MoreLinqOrderByDirection
A direction in which to order the elements (ascending, descending)
Type Parameters
- T
- The type of the elements in the source sequence
- TKey
- The type of the key used to order elements
Return Value
Type:
IOrderedEnumerableTAn ordered copy of the source sequence
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type
IEnumerableT. 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).
See Also