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MoreEnumerable.ThenBy<T, TKey> Method (IOrderedEnumerable<T>, Func<T, TKey>, OrderByDirection)

Performs a subsequent ordering of elements in a sequence in a particular direction (ascending, descending) according to a key

Namespace:  MoreLinq
Assembly:  MoreLinq (in MoreLinq.dll) Version: 2.10.0
Syntax
public static IOrderedEnumerable<T> ThenBy<T, TKey>(
	this IOrderedEnumerable<T> source,
	Func<T, TKey> keySelector,
	OrderByDirection direction
)

Parameters

source
Type: System.Linq.IOrderedEnumerable<T>
The sequence to order
keySelector
Type: System.Func<T, TKey>
A key selector function
direction
Type: MoreLinq.OrderByDirection
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: IOrderedEnumerable<T>
An 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 IOrderedEnumerable<T>. 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