CopyTo Method (T[], Int32, Int32)
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HashSet<T>.CopyTo Method (T[], Int32, Int32)


Copies the specified number of elements of a HashSet<T> object to an array, starting at the specified array index.

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

public void CopyTo(
	T[] array,
	int arrayIndex,
	int count


Type: T[]

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

Type: System.Int32

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

Type: System.Int32

The number of elements to copy to array.

Exception Condition

array is null.


arrayIndex is less than 0.


count is less than 0.


arrayIndex is greater than the length of the destination array.


count is greater than the available space from the index to the end of the destination array.

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

Universal Windows Platform
Available since 8
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Available since 4.0
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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