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Collection<T>.ICollection.CopyTo Method

Copies the elements of the ICollection to an Array, starting at a particular Array index.

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

void ICollection.CopyTo(
	Array array,
	int index
)

Parameters

array
Type: System.Array

The one-dimensional Array that is the destination of the elements copied from ICollection. The Array must have zero-based indexing.

index
Type: System.Int32

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

Implements

ICollection.CopyTo(Array, Int32)

ExceptionCondition
ArgumentNullException

array is null.

ArgumentOutOfRangeException

index is less than zero.

ArgumentException

array is multidimensional.

-or-

array does not have zero-based indexing.

-or-

The number of elements in the source ICollection is greater than the available space from index to the end of the destination array.

-or-

The type of the source ICollection cannot be cast automatically to the type of the destination array.

NoteNote

If the type of the source ICollection cannot be cast automatically to the type of the destination array, the non-generic implementations of ICollection.CopyTo throw InvalidCastException, whereas the generic implementations throw ArgumentException.

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

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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