FileInfo.CopyTo (String, Boolean) copies a file, allowing the overwriting of an existing file. : FileInfo « File Directory « VB.Net






  1. VB.Net
  2. File Directory
  3. FileInfo

FileInfo.CopyTo (String, Boolean) copies a file, allowing the overwriting of an existing file.

 

Imports System
Imports System.IO

Public Class CopyToTest
    Public Shared Sub Main()
        Dim fi As New FileInfo("temp.txt")
        Dim sw As StreamWriter = fi.AppendText()
        sw.WriteLine("...")
        sw.Flush()
        sw.Close()
        Dim sr As New StreamReader(fi.OpenRead())
        While sr.Peek() <> -1
            Console.WriteLine(sr.ReadLine())
        End While
        Dim newfi As FileInfo = fi.CopyTo("newTemp.txt", True)
        sr = New StreamReader(newfi.OpenRead())
        While sr.Peek() <> -1
            Console.WriteLine(sr.ReadLine())
        End While
    End Sub
End Class








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4.Use FileInfo.AppendText to create StreamWriter and add text to it
5.FileInfo.CopyTo copies a file
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8.FileInfo.CreateText creates a StreamWriter that writes a new text file.
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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.