Question

How to use -- (prefix decrement --i) in VB.NET

Answer 1

Imports System
 
Public Class Program
    Public Shared Sub Main()
        Dim arr As Integer() = {13, 80, 21, 12, 40, 85, 99, 100}
 
		Dim i As Integer = arr.Length
		
		Console.WriteLine("i = " & i)
 
		Console.WriteLine(arr(Math.Min(System.Threading.Interlocked.Decrement(i), i - 1)))
		Console.WriteLine(arr(Math.Min(System.Threading.Interlocked.Decrement(i), i - 1)))
		Console.WriteLine(arr(Math.Min(System.Threading.Interlocked.Decrement(i), i - 1)))
		
		Console.WriteLine("i = " & i)
		
    End Sub
End Class
 
 
 
 
' run:
'
' i = 8
' 99
' 85
' 40
' i = 5
'

 

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