Collection<T>.CopyTo(T[], Int32) Method

Definition

Namespace:

System.Collections.ObjectModel

Assembly:

System.Runtime.dll

Source:

Collection.cs

Copies the entire Collection<T> to a compatible one-dimensional Array, starting at the specified index of the target array.

public:
 virtual void CopyTo(cli::array <T> ^ array, int index);

public void CopyTo (T[] array, int index);

abstract member CopyTo : 'T[] * int -> unit
override this.CopyTo : 'T[] * int -> unit

Public Sub CopyTo (array As T(), index As Integer)

Parameters

array

T[]

The one-dimensional Array that is the destination of the elements copied from Collection<T>. The Array must have zero-based indexing.

index

Int32

The zero-based index in array at which copying begins.

Implements

CopyTo(T[], Int32)

Exceptions

ArgumentNullException

array is null.

ArgumentOutOfRangeException

index is less than zero.

ArgumentException

The number of elements in the source Collection<T> is greater than the available space from index to the end of the destination array.

Remarks

This method uses Array.Copy to copy the elements.

The elements are copied to the Array in the same order in which the enumerator iterates through the Collection<T>.

This method is an O(n) operation, where n is Count.