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Type.GetArrayRank Method

Gets the number of dimensions in an Array.

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

Public Overridable Function GetArrayRank As Integer
Dim instance As Type 
Dim returnValue As Integer 

returnValue = instance.GetArrayRank()

Return Value

Type: System.Int32
An Int32 containing the number of dimensions in the current Type.




The functionality of this method is unsupported in the base class and must be implemented in a derived class instead.


The current Type is not an array.

The following example displays the number of dimensions in an array.

Imports System
Imports Microsoft.VisualBasic

Class MyArrayRankSample
    Public Shared Sub Main()
            Dim myArray(,,) As Integer = {{{12, 2, 35}, {300, 78, 33}}, {{92, 42, 135}, {30, 7, 3}}}
            Dim myType As Type = myArray.GetType()
            Console.WriteLine("Contents of myArray: {{{12,2,35},{300,78,33}},{{92,42,135},{30,7,3}}}")
            Console.WriteLine("myArray has {0} dimensions.", myType.GetArrayRank())
        Catch e As NotSupportedException
            Console.WriteLine("NotSupportedException raised.")
            Console.WriteLine(("Source: " + e.Source))
            Console.WriteLine(("Message: " + e.Message))
        Catch e As Exception
            Console.WriteLine("Exception raised.")
            Console.WriteLine(("Source: " + e.Source))
            Console.WriteLine(("Message: " + e.Message))
        End Try 
    End Sub 'Main 
End Class 'MyArrayRankSample

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

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

.NET Framework

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

.NET Compact Framework

Supported in: 3.5, 2.0

XNA Framework

Supported in: 3.0, 2.0, 1.0