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MoreEnumerablePartialSortByTSource, TKey Method (IEnumerableTSource, Int32, FuncTSource, TKey, IComparerTKey, OrderByDirection)

Combines OrderByT, TKey(IEnumerableT, FuncT, TKey, OrderByDirection), and TakeTSource(IEnumerableTSource, Int32) in a single operation. Additional parameters specify how the elements compare to each other and the direction of the sort.

Namespace:  MoreLinq
Assembly:  MoreLinq (in MoreLinq.dll) Version: 3.3.1+b77df70598ab84c28cd43dcf74594024b6d575e1
Syntax
public static IEnumerable<TSource> PartialSortBy<TSource, TKey>(
	this IEnumerable<TSource> source,
	int count,
	Func<TSource, TKey> keySelector,
	IComparer<TKey> comparer,
	OrderByDirection direction
)

Parameters

source
Type: System.Collections.GenericIEnumerableTSource
The source sequence.
count
Type: SystemInt32
Number of (maximum) elements to return.
keySelector
Type: SystemFuncTSource, TKey
A function to extract a key from an element.
comparer
Type: System.Collections.GenericIComparerTKey
A IComparerT to compare elements.
direction
Type: MoreLinqOrderByDirection
The direction in which to sort the elements

Type Parameters

TSource
Type of elements in the sequence.
TKey
Type of keys.

Return Value

Type: IEnumerableTSource
A sequence containing at most top count elements from source, in the specified order of their keys.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerableTSource. 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).
Remarks
This operator uses deferred execution and streams it results.
See Also