FileInfo.OpenText creates a StreamReader with UTF8 encoding that reads from an existing text file.
Imports System
Imports System.IO
Imports System.Text
Public Class OpenTextTest
Public Shared Sub Main()
Dim path As String = "c:\MyTest.txt"
Dim fi As New FileInfo(path)
If fi.Exists = false Then
Dim fs As FileStream = fi.Create()
Dim info() As Byte = New UTF8Encoding(true).GetBytes("This is some text in the file.")
fs.Write(info, 0, info.Length)
fs.Close()
End If
Dim sr As StreamReader = fi.OpenText()
Dim s As String = ""
While sr.EndOfStream = false
s = sr.ReadLine()
Console.WriteLine(s)
End While
sr.Close()
End Sub
End Class
Related examples in the same category
1. | FileInfo Class provides properties and instance methods for the creation, copying, deletion, moving, and opening of files | | |
2. | FileInfo provides properties and instance methods for the creation, copying, deletion, moving, and opening of files | | |
3. | Create FileInfo class | | |
4. | Use FileInfo.AppendText to create StreamWriter and add text to it | | |
5. | FileInfo.CopyTo copies a file | | |
6. | Use FileInfo open a file to read | | |
7. | FileInfo.CopyTo (String, Boolean) copies a file, allowing the overwriting of an existing file. | | |
8. | FileInfo.Create | | |
9. | FileInfo.CreateText creates a StreamWriter that writes a new text file. | | |
10. | FileInfo.Decrypt decrypts a file that was encrypted using the Encrypt method. | | |
11. | FileInfo.Delete deletes a file. | | |
12. | FileInfo.Directory Property gets an instance of the parent directory. | | |
13. | FileInfo.DirectoryName Property gets a string representing the directory's full path. | | |
14. | FileInfo.GetAccessControl gets a FileSecurity object that encapsulates the access control list (ACL) entries | | |
15. | FileInfo.IsReadOnly Property gets or sets a value that determines if the current file is read only. | | |
16. | FileInfo.Length Property gets the size, in bytes, of the current file. | | |
17. | FileInfo.Name Property gets the name of the file. | | |
18. | FileInfo.Open opens a file in the specified mode. | | |
19. | FileInfo.Open (FileMode, FileAccess) opens a file in the specified mode with read, write, or read/write access. | | |
20. | FileInfo.Open with settings for File Read Write Mode, File Access Mode, File Share Mode | | |
21. | FileInfo.OpenRead creates a read-only FileStream. | | |
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. | | |