ICollection.CopyTo Method
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ReadOnlyCollectionBase.ICollection.CopyTo Method (Array, Int32)


Copies the entire ReadOnlyCollectionBase to a compatible one-dimensional Array, starting at the specified index of the target array.

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

private abstract CopyTo : 
        array:Array *
        index:int -> unit
private override CopyTo : 
        array:Array *
        index:int -> unit


Type: System.Array

The one-dimensional Array that is the destination of the elements copied from ReadOnlyCollectionBase. The Array must have zero-based indexing.

Type: System.Int32

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

Exception Condition

array is null.


index is less than zero.


array is multidimensional.


The number of elements in the source ReadOnlyCollectionBase is greater than the available space from index to the end of the destination array.


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

The specified array must be of a compatible type.

This method uses Array.Copy to copy the elements.

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

Universal Windows Platform
Available since 10
.NET Framework
Available since 1.1
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