Collection<T>.Insert(Int32, T) Method
Inserts an item into the collection at a specified index.
public: virtual void Insert(int index, T item);
public void Insert (int index, T item);
abstract member Insert : int * 'T -> unit override this.Insert : int * 'T -> unit
Public Sub Insert (index As Integer, item As T)
The zero-based index of the element to be retrieved from the collection.
The object to be inserted into the collection as an element.
index specified is less than zero or greater than the number of items in the collection.
The value set is
null or is not of the correct generic type
T for the collection.
index is equal to the number of elements in the collection, the item is appended to the list. If the
index is less than the number of elements in the collection, the elements that follow the point of insertion of the item move down to accommodate the new element.