本文整理汇总了VB.NET中System.Runtime.Serialization.IExtensibleDataObject接口的典型用法代码示例。如果您正苦于以下问题：VB.NET IExtensibleDataObject接口的具体用法？VB.NET IExtensibleDataObject怎么用？VB.NET IExtensibleDataObject使用的例子？那么恭喜您, 这里精选的接口代码示例或许可以为您提供帮助。
在下文中一共展示了IExtensibleDataObject接口的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: Person
' Implement the IExtensibleDataObject interface
' to store the extra data for future versions.
<DataContract(Name := "Person", [Namespace] := "http://www.cohowinery.com/employees")> _
Class Person
Implements IExtensibleDataObject
' To implement the IExtensibleDataObject interface,
' you must implement the ExtensionData property. The property
' holds data from future versions of the class for backward
' compatibility.
Private extensionDataObject_value As ExtensionDataObject
Public Property ExtensionData() As ExtensionDataObject _
Implements IExtensibleDataObject.ExtensionData
Get
Return extensionDataObject_value
End Get
Set
extensionDataObject_value = value
End Set
End Property
<DataMember()> _
Public Name As String
End Class
' The second version of the class adds a new field. The field's
' data is stored in the ExtensionDataObject field of
' the first version (Person). You must also set the Name property
' of the DataContractAttribute to match the first version.
' If necessary, also set the Namespace property so that the
' name of the contracts is the same.
<DataContract(Name := "Person", [Namespace] := "http://www.cohowinery.com/employees")> _
Class PersonVersion2
Implements IExtensibleDataObject
' Best practice: add an Order number to new members.
<DataMember(Order:=2)> _
Public ID As Integer
<DataMember()> _
Public Name As String
Private extensionDataObject_value As ExtensionDataObject
Public Property ExtensionData() As ExtensionDataObject _
Implements IExtensibleDataObject.ExtensionData
Get
Return extensionDataObject_value
End Get
Set
extensionDataObject_value = value
End Set
End Property
End Class