将一个流带入日记本便笺文件,并返回一个表示该文档的内容的 XML 流。
命名空间: Microsoft.Ink
程序集: Microsoft.Ink(在 Microsoft.Ink.dll 中)
语法
声明
Public Shared Function ReadFromStream ( _
jntFile As Stream _
) As Stream
用法
Dim jntFile As Stream
Dim returnValue As Stream
returnValue = JournalReader.ReadFromStream(jntFile)
public static Stream ReadFromStream(
Stream jntFile
)
public:
static Stream^ ReadFromStream(
Stream^ jntFile
)
public static Stream ReadFromStream(
Stream jntFile
)
public static function ReadFromStream(
jntFile : Stream
) : Stream
参数
- jntFile
类型:System.IO.Stream
对应于日记本便笺文件的文件流。
返回值
类型:System.IO.Stream
返回一个 Stream 对象,该对象包含通过读取日记本便笺文件创建的 XML。
备注
Stream 对象用于避免直接访问文件系统,并允许选择所用的 XML 分析方法。
示例
此示例将选中的日记本文件转换为 XML 并显示到控制台设备。
Dim FD As OpenFileDialog = New OpenFileDialog()
FD.Filter = "Journal files(*.jnt)|*.jnt"
If FD.ShowDialog() = Windows.Forms.DialogResult.OK Then
Dim jntStream As Stream = Nothing
Dim xmlStream As Stream = Nothing
Try
jntStream = FD.OpenFile()
If Not IsNothing(jntStream) Then
xmlStream = JournalReader.ReadFromStream(jntStream)
Dim xmlDoc As XmlDocument = New XmlDocument()
xmlDoc.Load(xmlStream)
Dim xmlTW As XmlTextWriter = New XmlTextWriter(Console.Out)
xmlTW.Formatting = Formatting.Indented
xmlDoc.WriteTo(xmlTW)
xmlTW.Flush()
End If
Catch ex As Exception
' handle exception
Finally
If Not IsNothing(jntStream) Then
jntStream.Close()
End If
If Not IsNothing(xmlStream) Then
xmlStream.Close()
End If
End Try
End If
OpenFileDialog FD = new OpenFileDialog();
FD.Filter = "Journal files(*.jnt)|*.jnt";
if (FD.ShowDialog() == DialogResult.OK)
{
Stream jntStream = null;
Stream xmlStream = null;
try
{
if ((jntStream = FD.OpenFile()) != null)
{
xmlStream = JournalReader.ReadFromStream(jntStream);
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(xmlStream);
XmlTextWriter xmlTW = new XmlTextWriter(Console.Out);
xmlTW.Formatting = Formatting.Indented;
xmlDoc.WriteTo(xmlTW);
xmlTW.Flush();
}
}
catch
{
// handle exception
}
finally
{
if (null != jntStream) { jntStream.Close(); }
if (null != xmlStream) { xmlStream.Close(); }
}
}
平台
Windows Vista
.NET Framework 和 .NET Compact Framework 并不是对每个平台的所有版本都提供支持。有关支持的版本的列表,请参见.NET Framework 系统要求。
版本信息
.NET Framework
受以下版本支持:3.0