C# | ArrayList.InsertRange() Method
ArrayList.InsertRange(Int32, ICollection) Method in C# is used to insert the elements from a collection into the ArrayList at a specified index. That is the inserted element belongs to a collection(i.e. queue etc).
public virtual void InsertRange (int index, ICollection element);
- index: It is the index, where the new elements to be inserted.
- element: It is the ICollection whose elements are going to be inserted into the ArrayList at a specified index.
Note: The collection cannot be null, but it can contain elements that are null.
- ArgumentNullException: If the element is null.
- ArgumentOutOfRangeException: If the index is less than zero or index is greater than counter.
- NotSupportedException: If the ArrayList is read-only or the ArrayList has a fixed size.
The ArrayList initially has: A D E F The collection initially has: B C After insert the collection in the ArrList: A B C D E F
The ArrayList initially has: A D E G The collection initially has: B C After insert the collection in the ArrList: A B C D E G After inserting F before G: A B C D E F G