Question

How to use Array.ForEach() method to performs a specified action on each element of an array in VB.NET

Answer 1

Module Module1

    Sub Main()
        Dim arr() As Integer = New Integer() {1, 2, 3, 4, 5}

        ' action = delegate for ShowCalc method
        Dim action As New Action(Of Integer)(AddressOf ShowCalc)

        Array.ForEach(arr, action)
    End Sub

    Private Sub ShowCalc(n As Integer)
        Console.WriteLine("{0:d} calc = {1:d}", n, n * n)
    End Sub

End Module

' run:
' 
' 1 calc = 1
' 2 calc = 4
' 3 calc = 9
' 4 calc = 16
' 5 calc = 25

 

70+ SQL courses for beginners and professionals