Copy a file : File Utilities « Stream File « VB.Net Tutorial

1. VB.Net Tutorial
2. Stream File
3. File Utilities

Imports System.IO
Imports System.Text

        
Public Class Tester
    Public Shared Sub Main
    

        Dim mySourceFileStream As FileStream
        Dim myDestFileStream As FileStream
        Dim bteRead() As Byte
        Dim intByte As Integer
        Dim bteMessage(128) As Byte
        Dim strCopyMessage As String = ""

        Try
            myDestFileStream = New FileStream("dest.txt", FileMode.OpenOrCreate, FileAccess.Write)

            bteMessage = Encoding.ASCII.GetBytes(strCopyMessage)
            myDestFileStream.Write(bteMessage, 0, bteMessage.Length)

            mySourceFileStream = New FileStream("source.txt", FileMode.OpenOrCreate, FileAccess.Read)
            intByte = mySourceFileStream.Length
            ReDim bteRead(intByte)
            mySourceFileStream.Read(bteRead, 0, intByte)
            myDestFileStream.Write(bteRead, 0, intByte)

            myDestFileStream.Close()
            mySourceFileStream.Close()

        Catch ex As IOException
            Console.WriteLine(ex.Message)
        End Try
    End Sub
End Class

13.3.File Utilities
	13.3.1.	Copy a file
	13.3.2.	Use the HMACSHA1 hashing function to generate a checksum for a file.
	13.3.3.	Delete a file with kill
	13.3.4.	Delete a file
	13.3.5.	File copy
	13.3.6.	Move a File
	13.3.7.	Move a file with File.Move
	13.3.8.	Use FreeFile
	13.3.9.	Use FreeFile to read a text file