Dictionary<TKey, TValue>.KeyCollection.CopyTo Method
Microsoft Silverlight will reach end of support after October 2021. Learn more.
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)
Syntax
'Declaration
Public Sub CopyTo ( _
array As TKey(), _
index As Integer _
)
public void CopyTo(
TKey[] array,
int index
)
Parameters
- array
Type: array<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
Exceptions
Exception | Condition |
---|---|
ArgumentNullException | array is nulla null reference (Nothing in Visual Basic). |
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. |
Remarks
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.
Version Information
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
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.