VB.Net/File Directory/Memory Stream
Версия от 16:40, 26 мая 2010; (обсуждение)
MemoryStream Demo
Imports System.Data
Imports System.IO
Imports System.IO.IsolatedStorage
Imports System.Text
Imports System.Runtime.Serialization
Imports System.Runtime.Serialization.Formatters
Imports System.Runtime.Serialization.Formatters.Soap
Imports System.Runtime.Serialization.Formatters.Binary
Imports System.Windows.Forms
Public Class MainClass
Shared Sub Main(ByVal args As String())
Dim s As String = "111"
Dim n As Integer = 452
Dim mstream As Stream = New MemoryStream()
" Write to the stream
Dim bytes1() As Byte = UnicodeEncoding.Unicode.GetBytes(s)
Dim bytes2() As Byte = BitConverter.GetBytes(n)
mstream.Write(bytes1, 0, bytes1.Length)
mstream.Write(bytes2, 0, bytes2.Length)
" Reset the stream to the beginning
mstream.Seek(0, SeekOrigin.Begin)
" Read from the stream
Dim bytes3(mstream.Length - 4) As Byte
Dim bytes4(4) As Byte
mstream.Read(bytes3, 0, bytes3.Length)
mstream.Read(bytes4, 0, bytes4.Length)
" Do something with the data
Console.WriteLine(UnicodeEncoding.Unicode.GetString(bytes3) + " " + BitConverter.ToInt32(bytes4, 0))
End Sub
End Class
Memory Stream Writer and Reader
Imports System
Imports System.IO
Imports System.Text
Public Class MainClass
Shared Sub Main()
Dim memory_stream As New MemoryStream()
Dim binary_writer As New BinaryWriter(memory_stream)
binary_writer.Write("www.vbex.ru")
Dim binary_reader As New BinaryReader(memory_stream)
memory_stream.Seek(0, SeekOrigin.Begin)
Console.WriteLine(binary_reader.ReadString())
binary_reader.Close()
End Sub
End Class
Stream Reader and Writer for a MemoryStream
Imports System
Imports System.IO
Imports System.Text
Public Class MainClass
Shared Sub Main()
Dim memory_stream As New MemoryStream()
Dim stream_writer As New StreamWriter(memory_stream)
stream_writer.Write("www.vbex.ru")
stream_writer.Flush()
Dim stream_reader As New StreamReader(memory_stream)
memory_stream.Seek(0, SeekOrigin.Begin)
Console.WriteLine(stream_reader.ReadToEnd())
stream_reader.Close()
End Sub
End Class