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ArrayList.CopyTo Method (Array)

.NET Framework 4

Copies the entire ArrayList to a compatible one-dimensional Array, starting at the beginning of the target array.

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

abstract CopyTo : 
        array:Array -> unit 
override CopyTo : 
        array:Array -> unit

Parameters

array: Type: System.Array
The one-dimensional Array that is the destination of the elements copied from ArrayList. The Array must have zero-based indexing.

Exceptions

Exception	Condition
ArgumentNullException	array is a null reference (Nothing in Visual Basic).
ArgumentException	array is multidimensional. -or- The number of elements in the source ArrayList is greater than the number of elements that the destination array can contain.
InvalidCastException	The type of the source ArrayList cannot be cast automatically to the type of the destination array.

Exception

Condition

ArgumentNullException

array is a null reference (Nothing in Visual Basic).

ArgumentException

array is multidimensional.

-or-

The number of elements in the source ArrayList is greater than the number of elements that the destination array can contain.

InvalidCastException

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

Remarks

The specified array must be of a compatible type.

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 ArrayList.

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

Examples

The following code example shows how to copy an ArrayList into a one-dimensional System.Array.

C++

No code example is currently available or this language may not be supported.

Version Information

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

Reference

ArrayList Class

CopyTo Overload

System.Collections Namespace

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