FileInfo Class provides properties and instance methods for the creation, copying, deletion, moving, and opening of files : FileInfo « File Directory « VB.Net






FileInfo Class provides properties and instance methods for the creation, copying, deletion, moving, and opening of files

 

Imports System
Imports System.IO

Public Class Test

    Public Shared Sub Main()
        Dim path1 As String = Path.GetTempFileName()
        Dim path2 As String = Path.GetTempFileName()
        Dim fi As FileInfo = New FileInfo(path1)

        Dim sw As StreamWriter = fi.CreateText()

        sw.WriteLine("A")
        sw.WriteLine("B")
        sw.WriteLine("C")
        sw.Flush()
        sw.Close()
        Try
            Dim sr As StreamReader = fi.OpenText()
            Do While sr.Peek() >= 0
                Console.WriteLine(sr.ReadLine())
            Loop
            sr.Close()
            Dim fi2 As FileInfo = New FileInfo(path2)
            fi2.Delete()
            fi.CopyTo(path2)
            Console.WriteLine("{0} was copied to {1}.", path1, path2)
            fi2.Delete()
            Console.WriteLine("{0} was successfully deleted.", path2)
        Catch e As Exception
            Console.WriteLine("The process failed: {0}.", e.ToString())
        End Try
    End Sub
End Class

   
  








Related examples in the same category

1.FileInfo provides properties and instance methods for the creation, copying, deletion, moving, and opening of files
2.Create FileInfo class
3.Use FileInfo.AppendText to create StreamWriter and add text to it
4.FileInfo.CopyTo copies a file
5.Use FileInfo open a file to read
6.FileInfo.CopyTo (String, Boolean) copies a file, allowing the overwriting of an existing file.
7.FileInfo.Create
8.FileInfo.CreateText creates a StreamWriter that writes a new text file.
9.FileInfo.Decrypt decrypts a file that was encrypted using the Encrypt method.
10.FileInfo.Delete deletes a file.
11.FileInfo.Directory Property gets an instance of the parent directory.
12.FileInfo.DirectoryName Property gets a string representing the directory's full path.
13.FileInfo.GetAccessControl gets a FileSecurity object that encapsulates the access control list (ACL) entries
14.FileInfo.IsReadOnly Property gets or sets a value that determines if the current file is read only.
15.FileInfo.Length Property gets the size, in bytes, of the current file.
16.FileInfo.Name Property gets the name of the file.
17.FileInfo.Open opens a file in the specified mode.
18.FileInfo.Open (FileMode, FileAccess) opens a file in the specified mode with read, write, or read/write access.
19.FileInfo.Open with settings for File Read Write Mode, File Access Mode, File Share Mode
20.FileInfo.OpenRead creates a read-only FileStream.
21.FileInfo.OpenText creates a StreamReader with UTF8 encoding that reads from an existing text file.
22.FileInfo.OpenWrite creates a write-only FileStream.
23.FileInfo.Replace replaces the contents of a file
24.FileSystemInfo Class provides the base class for both FileInfo and DirectoryInfo objects.
25.FileInfo.Length Property tells the size, in bytes, of the current file.