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Collection.IList.Insert(Int32, Object) Method

Definition

Inserts an item to the Collection object at the specified index.

 virtual void IListInsert(int index, System::Object ^ value) = System::Collections::IList::Insert;
void IList.Insert (int index, object value);
abstract member IListInsert : int * obj -> unit
override this.IListInsert : int * obj -> unit
Sub IListInsert (index As Integer, value As Object) Implements IList.Insert

Parameters

index
Int32

The zero-based index at which value should be inserted.

value
Object

The Object to insert into the Collection object.

Exceptions

index is not a valid index in the Collection object.

The Collection object is read-only.

-or-

The Collection object has a fixed size.

value is null reference in the Collection object.

Remarks

If index equals the number of items in the Collection object, then value is appended to the end.

In collections of contiguous elements, such as lists, the elements that follow the insertion point move down to accommodate the new element. If the collection is indexed, the indexes of the elements that are moved are also updated. This behavior does not apply to collections where elements are conceptually grouped into buckets, such as a hash table.

Applies to

See also