VB.Net/File Directory/Stream Reader
Версия от 16:40, 26 мая 2010; (обсуждение)
Read all file content
Imports System.IO
Module Module1
Sub Main()
Dim TextFile As StreamReader
Try
TextFile = New StreamReader("test.txt")
Catch E As Exception
Console.WriteLine("Error opening the file test.txt")
Console.WriteLine("Error {0}", E.Message)
End Try
Dim Content As String
Try
Content = TextFile.ReadToEnd()
Console.WriteLine(Content)
Catch E As Exception
Console.WriteLine("Error reading file")
Console.WriteLine("Error {0}: ", E.Message)
End Try
TextFile.Close()
End Sub
End Module
Stream Reader 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 writer As StreamWriter = New StreamWriter(mstream)
writer.WriteLine(s)
writer.WriteLine(n)
writer.Flush() " Flush the buffer
" Reset the stream to the beginning
mstream.Seek(0, SeekOrigin.Begin)
" Read from the stream
Dim reader As StreamReader = New StreamReader(mstream)
Dim s2 As String = reader.ReadLine()
Dim n2 As String = Integer.Parse(reader.ReadLine())
" Do something with the data
Console.WriteLine(s2 + " " + n2)
End Sub
End Class
Stream Reader: read int
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()
Dim writer As BinaryWriter = New BinaryWriter(mstream)
writer.Write(s)
writer.Write(n)
writer.Flush() " Flush the buffer
" Reset the stream to the beginning
mstream.Seek(0, SeekOrigin.Begin)
" Read from the stream
Dim reader As BinaryReader = New BinaryReader(mstream)
Dim s2 As String = reader.ReadString()
Dim n2 As Integer = reader.ReadInt32()
Console.WriteLine(s2 + " " + n2)
End Sub
End Class