overloadresolutionb.vb

来自「大名鼎鼎的mono是.NET平台的跨平台（支持linux」· VB 代码 · 共 39 行

'Author:
'   V. Sudharsan ([e-mail])
'
' (C) 2005 Novell, Inc.
Option Strict Off
Imports System

Class Base
End Class

Class Derived
    Inherits Base
End Class

Module Test
    Public i As Integer
    Function F(ByVal b As Object)
        i = 10
    End Function

    Function F(ByVal d As Derived)
        i = 20
    End Function

    Function Main() As Integer
        Dim b As Base = New Derived()
        Dim o As Object = b

        F(b)
        If i <> 10 Then
            System.Console.WriteLine("#A1 Latebinding Not working") : Return 1
        End If
        F(o)
        If i <> 10 Then
            System.Console.WriteLine("#A2 Latebinding Not working") : Return 1
        End If
    End Function
End Module