' Visual Basic 2008 9.0 .NET Examples - Operators - Introduction to Visual Basic : 
Module Example9
    Sub Main()
        Dim value As Integer
        Dim position As Integer
        Dim counter As Integer
        Dim start As Integer
        '
        value = 12
        position = 1
        Do While (value And 1) = 0                                        ' (1)
            value >>= 1
            position += 1
        Loop
        Console.WriteLine("12 : Bit at position " & position & _
                          " from the right is 1.")
        '
        value = 12
        position = 1
        Do While value Mod 2 <> 1                                         ' (2)
            value /= 2
            position += 1
        Loop
        Console.WriteLine("12 : Bit at position " & position & _
                          " from the right is 1.")
        '
        start = Environment.TickCount()
        For counter = 1 To 10000000                                       ' (3)
            value = counter
            position = 0
            '
            Do While (value And 1) = 0                                    ' (1)
                value >>= 1
                position += 1
            Loop
        Next
        Console.WriteLine("Bitwise calculation done in " & _
                          Environment.TickCount() - start & " tickcounts.")
        '
        start = Environment.TickCount()
        For counter = 1 To 10000000                                       ' (3)
            value = counter
            position = 0
            '
            Do While value Mod 2 <> 1                                     ' (2)
                value /= 2
                position += 1
            Loop
        Next
        Console.WriteLine("Normal calculation done in " & _
                          Environment.TickCount() - start & " tickcounts.")
        '
        Console.ReadLine()
    End Sub
End Module
' Visit www.studyvb.com for more examples.  Copyright 2003-2008 De Wolf.