EnumerableEx.MaxBy(TSource, TKey) Method (IEnumerable(TSource), Func(TSource, TKey))

EnumerableExMaxByTSource, TKey Method (IEnumerableTSource, FuncTSource, TKey)

Returns the elements with the maximum key value by using the default comparer to compare key values.

Namespace: System.Linq
Assembly: System.Interactive (in System.Interactive.dll) Version: 1.2.0.0

Syntax

public static IList<TSource> MaxBy<TSource, TKey>(
	this IEnumerable<TSource> source,
	Func<TSource, TKey> keySelector
)

source: Type: System.Collections.GenericIEnumerableTSource
Source sequence.
keySelector: Type: SystemFuncTSource, TKey
Key selector used to extract the key for each element in the sequence.

Type: IListTSource
List with the elements that share the same maximum key value.

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).