Interface IList
- Namespace
- System.Collections
- Assembly
- mscorlib.dll
Represents a non-generic collection of objects that can be individually accessed by index.
public interface IList : ICollection, IEnumerable- Inherited Members
- Extension Methods
Properties
IsFixedSize
Gets a value indicating whether the IList has a fixed size.
bool IsFixedSize { get; }Property Value
- bool
true if the IList has a fixed size; otherwise, false.
IsReadOnly
Gets a value indicating whether the IList is read-only.
bool IsReadOnly { get; }Property Value
- bool
true if the IList is read-only; otherwise, false.
this[int]
Gets or sets the element at the specified index.
object this[int index] { get; set; }Parameters
indexintThe zero-based index of the element to get or set.
Property Value
- object
The element at the specified index.
Methods
Add(object)
Adds an item to the IList.
int Add(object value)Parameters
valueobjectThe object to add to the IList.
Returns
- int
The position into which the new element was inserted, or -1 to indicate that the item was not inserted into the collection.
Clear()
Removes all items from the IList.
void Clear()Contains(object)
Determines whether the IList contains a specific value.
bool Contains(object value)Parameters
valueobjectThe object to locate in the IList.
Returns
- bool
true if the Object is found in the IList; otherwise, false.
IndexOf(object)
Determines the index of a specific item in the IList.
int IndexOf(object value)Parameters
valueobjectThe object to locate in the IList.
Returns
- int
The index of value if found in the list; otherwise, -1.
Insert(int, object)
Inserts an item to the IList at the specified index.
void Insert(int index, object value)Parameters
indexintThe zero-based index at which value should be inserted.
valueobjectThe object to insert into the IList.
Remove(object)
Removes the first occurrence of a specific object from the IList.
void Remove(object value)Parameters
valueobjectThe object to remove from the IList.
RemoveAt(int)
Removes the IList item at the specified index.
void RemoveAt(int index)Parameters
indexintThe zero-based index of the item to remove.