Question

How to use Array.GetLength() method to get number of elements in the specified dimension of an Array in VB.NET

Answer 1

Module Module1

    Sub Main()

        Dim arr1D As Array = Array.CreateInstance(GetType(Integer), 7)

        Console.WriteLine(arr1D.GetLength(0))

    End Sub

End Module

' run:
' 
' 7

 

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Answer 2

Module Module1

    Sub Main()

        Dim arr2D As Array = Array.CreateInstance(GetType(Integer), 6, 3)

        Console.WriteLine("dimension(0) = {0}", arr2D.GetLength(0))
        Console.WriteLine("dimension(1) = {0}", arr2D.GetLength(1))

    End Sub

End Module

' run:
' 
' dimension(0) = 6
' dimension(1) = 3

 

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Answer 3

Module Module1

    Sub Main()

        Dim arr3D As Array = Array.CreateInstance(GetType(Integer), 6, 4, 3)

        Console.WriteLine("dimension(0) = {0}", arr3D.GetLength(0))
        Console.WriteLine("dimension(1) = {0}", arr3D.GetLength(1))
        Console.WriteLine("dimension(2) = {0}", arr3D.GetLength(2))

    End Sub

End Module

' run:
' 
' dimension(0) = 6
' dimension(1) = 4
' dimension(2) = 3

 

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