讀取自定義程序集屬性

Question

我為DLL定義了以下程序集屬性，但無法在其他項目中讀取它。 你有什么建議嗎？

裝配屬性：

    Namespace Extensions.CustomAttributes

    <AttributeUsage(AttributeTargets.All, Inherited:=True, AllowMultiple:=True)>

    Public Class DeveloperNoteAttribute
        Inherits System.Attribute

        Protected strName, strComment As String
        Protected blnBug As Boolean

        Public Sub New(ByVal Name As String, ByVal Comment As String, ByVal DateRecorded As String)
            MyBase.New()
            strName = Name
            strComment = Comment
        End Sub

        Public Property Name As String
            Get
                Return strName
            End Get
            Set(ByVal value As String)
                strName = value
            End Set
        End Property

        Public Property Comment As String
            Get
                Return strComment
            End Get
            Set(ByVal value As String)
                strComment = value
            End Set
        End Property

        Public Property Bug As Boolean
            Get
                Return blnBug
            End Get
            Set(ByVal value As Boolean)
                blnBug = value
            End Set
        End Property

    End Class

End Namespace

AssemblyInfo.vb：

<Assembly: Extensions.CustomAttributes.DeveloperNoteAttribute("Test1", "Test2", "Test3")> 

獲取另一個項目中的屬性（通過變量：文件名）

Dim oAssem As System.Reflection.Assembly = System.Reflection.Assembly.LoadFrom(Filename)

' Get any assembly-level attributes
Dim oAttribs() As Attribute = Attribute.GetCustomAttributes(oAssem)
For Each att In oAttribs
   Try
        Dim at As Extensions.CustomAttributes.DeveloperNoteAttribute = CType(att, Extensions.CustomAttributes.DeveloperNoteAttribute)
        Debug.WriteLine(at.Name.ToString)
    Catch ex As Exception

    End Try
Next

在調試器中，我得到很多“ System.InvalidCastException”

Answer 1

針對未來訪客的解決方案 ：

1. 您可以像在上面的問題中一樣定義自定義程序集屬性。

2. 若要讀取自定義屬性，可以使用System.Attribute.GetCustomAttributes（）獲取所有已定義屬性的數組。 但是，您也可以使用System.Attribute.GetCustomAttribute（）來獲取傳遞的Type的特定屬性。

信息：

• System.Attribute： http : //msdn.microsoft.com/en-us/library/system.attribute.aspx
• GetCustomAttribute（）： http ： //msdn.microsoft.com/en-us/library/k7s8054x.aspx

非常感謝 @DanVerdolino的幫助！