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VB.NET XmlValidatingReader.ReadAttributeValue方法代碼示例

本文整理匯總了VB.NET中System.Xml.XmlValidatingReader.ReadAttributeValue方法的典型用法代碼示例。如果您正苦於以下問題:VB.NET XmlValidatingReader.ReadAttributeValue方法的具體用法?VB.NET XmlValidatingReader.ReadAttributeValue怎麽用?VB.NET XmlValidatingReader.ReadAttributeValue使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。


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示例1: Sample

Option Strict
Option Explicit

Imports System.IO
Imports System.Xml

Public Class Sample
    
    Public Shared Sub Main()
        Dim reader As XmlValidatingReader = Nothing
        
        Try
            'Create the XML fragment to be parsed.
            Dim xmlFrag As String = "<book genre='novel' misc='sale-item &h; 1987'></book>"
            
            'Create the XmlParserContext.
            Dim context As XmlParserContext
            Dim subset As String = "<!ENTITY h 'hardcover'>"
            context = New XmlParserContext(Nothing, Nothing, "book", Nothing, Nothing, subset, "", "", XmlSpace.None)
            
            'Create the reader and set it to not expand general entities. 
            reader = New XmlValidatingReader(xmlFrag, XmlNodeType.Element, context)
            reader.ValidationType = ValidationType.None
            reader.EntityHandling = EntityHandling.ExpandCharEntities
            
            'Read the misc attribute. Because EntityHandling is set to
            'ExpandCharEntities, the attribute is parsed into multiple text
            'and entity reference nodes.
            reader.MoveToContent()
            reader.MoveToAttribute("misc")
            While reader.ReadAttributeValue()
                If reader.NodeType = XmlNodeType.EntityReference Then
                    'To expand the entity, call ResolveEntity.
                    Console.WriteLine("{0} {1}", reader.NodeType, reader.Name)
                Else
                    Console.WriteLine("{0} {1}", reader.NodeType, reader.Value)
                End If
            End While
        Finally
            If Not (reader Is Nothing) Then
                reader.Close()
            End If
        End Try
    End Sub
End Class
開發者ID:VB.NET開發者,項目名稱:System.Xml,代碼行數:45,代碼來源:XmlValidatingReader.ReadAttributeValue


注:本文中的System.Xml.XmlValidatingReader.ReadAttributeValue方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。