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AsyncEnumerableThenByDescendingTSource, TKey Method (IOrderedAsyncEnumerableTSource, FuncTSource, TKey, IComparerTKey)

Namespace: System.Linq
Assembly: System.Interactive.Async (in System.Interactive.Async.dll) Version: 1.2.0.0
Syntax
C#
Copy
public static IOrderedAsyncEnumerable<TSource> ThenByDescending<TSource, TKey>(
	this IOrderedAsyncEnumerable<TSource> source,
	Func<TSource, TKey> keySelector,
	IComparer<TKey> comparer
)

Parameters

source
Type: System.LinqIOrderedAsyncEnumerableTSource
keySelector
Type: SystemFuncTSource, TKey
comparer
Type: System.Collections.GenericIComparerTKey

Type Parameters

TSource
TKey

Return Value

Type: IOrderedAsyncEnumerableTSource

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IOrderedAsyncEnumerableTSource. 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