LINQ_GroupBy()
Contents
[
Hide
]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
| Parameter | Description |
|---|---|
| Key | The type of the key returned by keyPredicate |
Arguments
| Parameter | Type | Description |
|---|---|---|
| keyPredicate | System::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<T, Key>, System::Func<T, Element>) method
Groups the elements of a sequence.
template<typename Key,typename Element> System::SharedPtr<IEnumerable<System::SharedPtr<System::Linq::IGrouping<Key, Element>>>> System::Collections::Generic::IEnumerable<T>::LINQ_GroupBy(System::Func<T, Key> keyPredicate, System::Func<T, Element> elementSelector)
Template parameters
| Parameter | Description |
|---|---|
| Key | The type of the key returned by keyPredicate |
| Element | The type of the element returned by elementSelector |
Arguments
| Parameter | Type | Description |
|---|---|---|
| keyPredicate | System::Func<T, Key> | A function to extract the key for each element. |
| elementSelector | System::Func<T, Element> | A function to extract value 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)
IEnumerable::LINQ_GroupBy(System::Func<Source, Key>, System::Func<Source, Element>) method
template<typename Key,typename Element> SharedPtr<IEnumerable<SharedPtr<System::Linq::IGrouping<Key, Element>>>> System::Collections::Generic::IEnumerable<T>::LINQ_GroupBy(System::Func<Source, Key> keyPredicate, System::Func<Source, Element> elementSelector)
See Also
- Typedef SharedPtr
- Class IEnumerable
- Class IGrouping
- Class Func
- Namespace System::Collections::Generic
- Library Aspose.Slides