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Enumerable.ToLookup Method

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Creates a generic Lookup<TKey, TElement> from an IEnumerable<T>.

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

Overload List

  Name Description
Public methodStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 ToLookup<TSource, TKey>(IEnumerable<TSource>, Func<TSource, TKey>) Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to a specified key selector function.
Public methodStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 ToLookup<TSource, TKey>(IEnumerable<TSource>, Func<TSource, TKey>, IEqualityComparer<TKey>) Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to a specified key selector function and key comparer.
Public methodStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 ToLookup<TSource, TKey, TElement>(IEnumerable<TSource>, Func<TSource, TKey>, Func<TSource, TElement>) Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to specified key selector and element selector functions.
Public methodStatic memberSupported by Silverlight for Windows PhoneSupported by Xbox 360 ToLookup<TSource, TKey, TElement>(IEnumerable<TSource>, Func<TSource, TKey>, Func<TSource, TElement>, IEqualityComparer<TKey>) Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to a specified key selector function, a comparer and an element selector function.

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