Pass parameter By value or By Reference : ByRef « Language Basics « VB.Net

1. VB.Net
2. Language Basics
3. ByRef

Pass parameter By value or By Reference

 
Imports System
Imports System.Diagnostics

Public Class MainClass

    Shared Sub DoubleItByVal(ByVal X As Single)
        X *= 2
    End Sub

    Shared Sub DoubleItByRef(ByRef X As Single)
        X *= 2
    End Sub

    Shared Sub Main()
        Dim value As Single
        value = 10
        DoubleItByVal(value)
        Console.WriteLine(value)
        value = 10
        DoubleItByRef(value)
        Console.WriteLine(value)
    End Sub
End Class


           
         
  

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