FileStream Constructor (String, FileMode, FileSystemRights, FileShare, Int32, FileOptions, FileSecurity)

 

Imports System
Imports System.IO
Imports System.Text
Imports System.Security.AccessControl

Module FileStreamExample
    Sub Main()
        Try
            Dim messageByte As Byte() = Encoding.ASCII.GetBytes("Here is some data.")
            Dim fs As New FileSecurity()
            fs.AddAccessRule(New FileSystemAccessRule("DOMAINNAME\AccountName", FileSystemRights.ReadData, AccessControlType.Allow))
            Dim fWrite As New FileStream("test.txt", FileMode.Create, FileSystemRights.Modify, FileShare.None, 8, FileOptions.None, fs)
            fWrite.WriteByte(System.Convert.ToByte(messageByte.Length))
            fWrite.Write(messageByte, 0, messageByte.Length)
            fWrite.Close()
            Dim fRead As New FileStream("test.txt", FileMode.Open)
            Dim length As Integer = Fix(fRead.ReadByte())
            Dim readBytes(length) As Byte
            fRead.Read(readBytes, 0, readBytes.Length)
            fRead.Close()
            Console.WriteLine(Encoding.ASCII.GetString(readBytes))
        Catch e As Exception
            Console.WriteLine(e)
        End Try
    End Sub
End Module

Related examples in the same category

1.	Use FileStream to store and read file
2.	Read and Write to a Newly Created Data File
3.	FileStream Class
4.	Create FileStream with FileMode.Append, FileAccess.Write, FileShare.Write
5.	FileStream.CanRead Property gets a value indicating whether the current stream supports reading.
6.	FileStream.CanSeek Property gets a value indicating whether the current stream supports seeking.
7.	FileStream.CanWrite Property gets a value indicating whether the current stream supports writing.
8.	FileStream.CanRead And FileStream.CanWrite
9.	FileStream.Seek Method sets the current position of this stream to the given value.
10.	FileStream Class Exposes a Stream around a file
11.	FileStream.CanRead Property tells whether the current stream supports reading.
12.	FileStream.CanSeek Property tells whether the current stream supports seeking.
13.	FileStream.CanWrite Property tells whether the current stream supports writing.
14.	FileStream.Read Method Reads a block of bytes
15.	FileStream.ReadByte Method Reads a byte from the file
16.	FileStream.Seek Method Sets the current position of this stream to the given value.
17.	Read and Write to a Newly Created Data File

FileStream Constructor (String, FileMode, FileSystemRights, FileShare, Int32, FileOptions, FileSecurity) : FileStream « File Directory « VB.Net

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