FieldInfo.GetFieldFromHandle : FieldInfo « Reflection « VB.Net

1. VB.Net
2. Reflection
3. FieldInfo

FieldInfo.GetFieldFromHandle

 

Imports System
Imports System.Reflection

Public Class Test(Of T)
    Public TestField As T 
End Class

Public Class Example
    Public Shared Sub Main()
        Dim rth As RuntimeTypeHandle = GetType(Test(Of String)).TypeHandle
        Dim rfh As RuntimeFieldHandle = GetType(Test(Of String)).GetField("TestField").FieldHandle

        Try
            Dim f1 As FieldInfo = FieldInfo.GetFieldFromHandle(rfh)
        Catch ex As Exception
            Console.WriteLine("{0}: {1}", ex.GetType().Name, ex.Message)
        End Try

        Dim fi As FieldInfo = FieldInfo.GetFieldFromHandle(rfh, rth)
        Console.WriteLine(fi.Name)
        Console.WriteLine(fi.FieldType)

        fi = FieldInfo.GetFieldFromHandle(rfh, GetType(Test(Of Object)).TypeHandle)
        Console.WriteLine(fi.Name)
        Console.WriteLine(fi.FieldType)

        Try
            fi = FieldInfo.GetFieldFromHandle(rfh,GetType(Test(Of Integer)).TypeHandle)
        Catch ex As Exception
            Console.WriteLine(vbCrLf & "{0}: {1}", ex.GetType().Name, ex.Message)
        End Try
    End Sub
End Class

   
  

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