VB.Net/File Directory/Memory Stream — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
Admin (обсуждение | вклад) м (1 версия) |
(нет различий)
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Текущая версия на 12:45, 26 мая 2010
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