Array Class

Array Class

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Namespace

System

Creatable

Yes

Description

The Array object implements an ordered list of objects, numbered from 0 to a specified upper bound. Arrays can include multiple dimensions, each of which has its own range. Although the Array class is a distinct .NET class, it is wrapped by Visual Basic as its own array implementation; any standard VB array can take advantage of the Array class features.

The following table lists some of the more useful and interesting members of the Array class. Those marked with an asterisk (*) have separate entries in this chapter.

Member	Description
BinarySearch Method *	Searches for an element in a sorted array dimension
Clear Method	Sets a range of array elements to their default content value
Clone Method	Creates a copy of an array, although reference type elements in the new array refer to the same objects as those in the old array
Copy Method *	Copies elements of one array into another existing array
GetValue Method	Retrieves a single value from an array
IndexOf Method *	Finds the first occurrence of a value in a range of array elements
IsReadOnly Property	Indicates whether the array is read-only or not
LastIndexOf Method *	Finds the last occurrence of a value in a range of array elements
Length Property	Identifies the full number of elements in all dimensions
Rank Property	Identifies the number of dimensions
Reverse Method *	Reverses the order of a range of array elements
SetValue Method	Sets a single value in an array
Sort Method *	Sorts a range of elements in an array

Version Differences

Arrays in VB 6 were an intrinsic part of the language and were not associated with the larger set of functionality available through the System.Array class.