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Observable.ToLookup Method

Creates a look-up from an observable sequence.

This member is overloaded. For complete information about this member, including syntax, usage, and examples, click a name in the overload list.

  Name Description
Public method Static member ToLookup<TSource, TKey>(IObservable<TSource>, Func<TSource, TKey>) Creates a lookup from an observable sequence according to a specified key selector function.
Public method Static member ToLookup<TSource, TKey>(IObservable<TSource>, Func<TSource, TKey>, IEqualityComparer<TKey>) Creates a lookup from an observable sequence according to a specified key selector function, and a comparer.
Public method Static member ToLookup<TSource, TKey, TElement>(IObservable<TSource>, Func<TSource, TKey>, Func<TSource, TElement>) Creates a lookup from an observable sequence according to a specified key selector function, and an element selector function.
Public method Static member ToLookup<TSource, TKey, TElement>(IObservable<TSource>, Func<TSource, TKey>, Func<TSource, TElement>, IEqualityComparer<TKey>) Creates a lookup from an observable sequence according to a specified key selector function, a comparer, and an element selector function.
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