LINQ_GroupBy()

IEnumerable::LINQ_GroupBy(System::Func<T, Key>) method

Groups the elements of a sequence.

template<typename Key> System::SharedPtr<IEnumerable<System::SharedPtr<System::Linq::IGrouping<Key, T>>>> System::Collections::Generic::IEnumerable<T>::LINQ_GroupBy(System::Func<T, Key> keyPredicate)

Template parameters

ParameterDescription
KeyThe type of the key returned by keyPredicate

Arguments

ParameterTypeDescription
keyPredicateSystem::Func<T, Key>A function to extract the key for each element.

Return Value

An IEnumerable that contains a sequence of objects and a key

IEnumerable::LINQ_GroupBy(System::Func<Source, Key>) method

template<typename Key> SharedPtr<IEnumerable<SharedPtr<System::Linq::IGrouping<Key, Source>>>> System::Collections::Generic::IEnumerable<T>::LINQ_GroupBy(System::Func<Source, Key> keyPredicate)

See Also