What does the interface IList do in C#?

The IList interface has a non-generic collection of objects that can be individually accessed by index.

The following are the properties of interface IList in C# −

Sr.No	Property Name & Description
1	Count Gets the number of elements contained in the ICollection.
2	isFixedSize Gets a value indicating whether the IList has a fixed size.
3	isReadOnly Gets a value indicating whether the IList is read-only.
4	isSynchronized Gets a value indicating whether access to the ICollection is synchronized.
5	Item(Int32) Gets or sets the element at the specified index.

The following are the methods of the IList interface −

Sr.No	Property Name & Description
1	Add(Obj) Adds an item to the IList.
2	Clear() Removes all items from the IList
3	Contains(Obj) Whether the list contains a specific value
4	GetEnumerator() Returns an Enumerator
5	IndexOf(Obj) Index of the specified item in the IList
6	Remove(Obj) The method removes the first occurrence of a specific object.

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Updated on: 20-Jun-2020

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