CopyTo Method

Collection<T>.CopyTo Method

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

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)

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

Parameters

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.

Implements

ICollection<T>.CopyTo(T[], Int32)

ExceptionCondition
ArgumentNullException

array is null.

ArgumentOutOfRangeException

index is equal to or greater than the length of array.

-or-

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.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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