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Queue<T>.CopyTo Method

Copies the Queue<T> elements to an existing one-dimensional Array, starting at the specified array index.

Namespace:  System.Collections.Generic
Assembly:  System (in System.dll)

public void CopyTo(
	T[] array,
	int arrayIndex


Type: T[]

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

Type: System.Int32

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


array is null.


arrayIndex is less than zero.


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

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

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

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0

.NET Compact Framework

Supported in: 3.5, 2.0

XNA Framework

Supported in: 3.0, 2.0, 1.0