ArrayList.CopyTo Method (Int32, Array, Int32, Int32)
Copies a range of elements from the ArrayList to a compatible one-dimensional Array, starting at the specified index of the target array.
Assembly: mscorlib (in mscorlib.dll)
abstract CopyTo : index:int * array:Array * arrayIndex:int * count:int -> unit override CopyTo : index:int * array:Array * arrayIndex:int * count:int -> unit
Parameters
- index
-
Type:
System.Int32
The zero-based index in the source ArrayList at which copying begins.
- 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.
- arrayIndex
-
Type:
System.Int32
The zero-based index in array at which copying begins.
- count
-
Type:
System.Int32
The number of elements to copy.
| Exception | Condition |
|---|---|
| ArgumentNullException | array is null. |
| ArgumentOutOfRangeException | index is less than zero. -or- arrayIndex is less than zero. -or- count is less than zero. |
| ArgumentException | |
| InvalidCastException | The type of the source ArrayList 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.
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.
Available since 10
.NET Framework
Available since 1.1