类文件：(Class1)
Imports System
Imports System.Reflection
_
Public Class Class1
Inherits System.Attribute
Private FamilyName As String
Private GivenName As String
Public Sub New(ByVal FamilyName As String)
Me.FamilyName = FamilyName
End Sub
Public Overrides Function ToString() As String
Return String.Format("Author:{0}{1}", FamilyName, GivenName)
End Function
Public Property Family() As String
Get
Return FamilyName
End Get
Set(ByVal Value As String)
FamilyName = Value
End Set
End Property
Public Property Given() As String
Get
Return GivenName
End Get
Set(ByVal Value As String)
GivenName = Value
End Set
End Property
End Class
使用自定义属性的文件（Form3.vb）

_

Public Class Form3
Inherits System.Windows.Forms.Form

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim t As Type = Type.GetType("WindowsApplication6.Form3")
Dim attributes As Object() = t.GetCustomAttributes(True)
Console.WriteLine("Custom Attributes are: ")
For Each o As Object In attributes
Console.WriteLine(o)
Next
End Sub
End Class

用API函数实现切换VCD的左右声道 初学VB.NET连接SQL数据库

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