Collection<T>.CopyTo Method

.NET Framework 4.6 and 4.5

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

Namespace: System.Collections.ObjectModel
Assembly: mscorlib (in mscorlib.dll)

Syntax

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

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

index: Type: System.Int32
The zero-based index in array at which copying begins.

Exception	Condition
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.

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.

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

Supported in: 4, 3.5 SP1

Supported in: 3.0, 2.0, 1.0

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Supported in: Portable Class Library