VB.Net/Language Basics/Boxing UnBoxing

Материал из VB Эксперт
Перейти к: навигация, поиск

Boxing and unboxing demo

Imports System
Public Class MainClass
    
    Shared Sub Main()
         Dim myIntegerVariable As Integer = 123
         " boxing
         Dim myObjectVariable As Object = myIntegerVariable
         Console.WriteLine("myObjectVariable: {0}", _
               myObjectVariable.ToString(  ))
         " unboxing (must be explicit)
         Dim anotherIntegerVariable As Integer = _
              DirectCast(myObjectVariable, Integer)
         Console.WriteLine("anotherIntegerVariable: {0}", _
              anotherIntegerVariable)
    End Sub
End Class