ListExtensions Class

Provides extension methods for the IList<T> type.

public static class ListExtensions

Methods

Adds the elements of the specified collection to the end of the List<T>.

public static void AddRange<T>(this IList<T> list, IEnumerable<T> collection)

Parameter	Type	Description
list	IList<T>
collection	IEnumerable<T>	The collection whose elements should be added to the end of the List<T>. The collection itself cannot be `null`, but it can contain elements that are `null`, if type `T` is a reference type.

Type	Condition
ArgumentNullException	`collection` is `null`.

Inserts the elements of a collection into the List<T> at the specified index.

public static void InsertRange<T>(this IList<T> list, int index, IEnumerable<T> collection)

Parameter	Type	Description
list	IList<T>
index	int	The zero-based index at which the new elements should be inserted.
collection	IEnumerable<T>	The collection whose elements should be inserted into the List<T>. The collection itself cannot be `null`, but it can contain elements that are `null`, if type `T` is a reference type.

Type Condition

collection is null.

   <code class="paramref">index</code> is less than 0.

-or-

index is greater than Count.

Removes all the elements that match the conditions defined by the specified predicate.

public static int RemoveAll<T>(this IList<T> list, Predicate<T> match)

Parameter	Type	Description
list	IList<T>
match	Predicate<T>	The Predicate<T> delegate that defines the conditions of the elements to remove.

Type	Condition
ArgumentNullException	`match` is `null`.