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Dictionary<TKey, TValue>.KeyCollection.CopyTo Method

Copies the Dictionary<TKey, TValue>.KeyCollection elements to an existing one-dimensional Array, starting at the specified array index.

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

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

Parameters

array
Type: TKey[]
The one-dimensional Array that is the destination of the elements copied from Dictionary<TKey, TValue>.KeyCollection. 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 less than zero.

ArgumentException

The number of elements in the source Dictionary<TKey, TValue>.KeyCollection is greater than the available space from index 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 Dictionary<TKey, TValue>.KeyCollection.

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

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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