BindingFlags.GetField, SetField : BindingFlags « Reflection « VB.Net

1. VB.Net
2. Reflection
3. BindingFlags

BindingFlags.GetField, SetField

 

Imports System
Imports System.Reflection
Imports System.IO


Public Class TestClass
    Public Name As String
    Private values() As [Object] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

    Default Public Property Item(ByVal index As Integer) As [Object]
        Get
            Return values(index)
        End Get
        Set(ByVal Value As [Object])
            values(index) = Value
        End Set
    End Property

    Public ReadOnly Property Value() As [Object]
        Get
            Return "the value"
        End Get
    End Property

    Public Sub New(ByVal initName As String)
        Name = initName
    End Sub

    Public Sub New()
        MyClass.New("initialName")
    End Sub

    Private methodCalled As Integer = 0

    Public Shared Sub SayHello()
        Console.WriteLine("Hello")
    End Sub

    Public Sub AddUp()
        methodCalled += 1
        Console.WriteLine("AddUp Called {0} times", methodCalled)
    End Sub

    Public Shared Function ComputeSum(ByVal d1 As Double, ByVal d2 As Double) As Double
        Return d1 + d2
    End Function

    Public Shared Sub PrintName(ByVal firstName As [String], ByVal lastName As [String])
        Console.WriteLine("{0},{1}", lastName, firstName)
    End Sub

    Public Sub PrintTime()
        Console.WriteLine(DateTime.Now)
    End Sub

    Public Sub Swap(ByRef a As Integer, ByRef b As Integer)
        Dim x As Integer = a
        a = b
        b = x
    End Sub
End Class

Class Invoke

    Public Shared Sub Main()
        Dim t As Type = GetType(TestClass)
        Dim c As New TestClass()
        Dim result As Object

        result = t.InvokeMember("Name", BindingFlags.GetField, Nothing, c, New Object() {})
        Console.WriteLine("Name == {0}", result)

        t.InvokeMember("Name", BindingFlags.SetField, Nothing, c, New Object() {"NewName"})
        result = t.InvokeMember("Name", BindingFlags.GetField, Nothing, c, New Object() {})
        Console.WriteLine("Name == {0}", result)
    End Sub
End Class

   
  

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