IList<T> and IList


Standard interface for collection indexable by position.

Functionality inherited from ICollection<T> and IEnumerable<T>.

Provides the ability to read or write an element by position.

public interface IList : ICollection, IEnumerable, IEnumerable
	T this [int index] { get; set; }
	int IndexOf (T item);
	void Insert (int index, T item);
	void RemoveAt (int index);

IndexOf – performs liner search, returns -1 if item not found.

Insert – inserts at specified index.

RemoveAt – removes at specified index.


public interface IList : ICollection, IEnumerable
object this [int index] { get; set }
bool IsFixedSize { get; }
bool IsReadOnly { get; }
int Add (object value);
void Clear();
bool Contains (object value);
int IndexOf (object value);
void Insert (int index, object value);
void Remove (object value);
void RemoveAt (int index);

Add – returns an integer index of the newly added item.

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