Textreader and TextWriter are the another way to read and write file respectively, even though these are not stream classes. The StreamReader and StreamWriter classes are derived from TextReader and TextWriter classes respectively. The following program using TextReader , Read the entire content of the file into a String
Imports System.IO
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles Button1.Click
Try
Dim line As String
Dim readFile As System.IO.TextReader = New _
StreamReader("C:\Test1.txt")
line = readFile.ReadToEnd()
MsgBox(line)
readFile.Close()
readFile = Nothing
Catch ex As IOException
MsgBox(ex.ToString)
End Try
End Sub
End Class