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FileSystem.OpenTextFileReader Method (String)

Opens a StreamReader.

Namespace:  Microsoft.VisualBasic.FileIO
Assembly:  Microsoft.VisualBasic (in Microsoft.VisualBasic.dll)

public static StreamReader OpenTextFileReader(
	string file
)

Parameters

file
Type: System.String

String. File to be read. Required.

For more detailed information, see the Visual Basic topic My.Computer.FileSystem.OpenTextFileReader Method.

Only text files can be read with a StreamReader.

The following table lists examples of tasks involving the My.Computer.FileSystem.OpenTextFileReader method.

This example opens the file Testfile.txt, reads a line from it, and displays the line in a MessageBox.

Dim fileReader As System.IO.StreamReader
fileReader = _
My.Computer.FileSystem.OpenTextFileReader("C:\\testfile.txt")
Dim stringReader As String
stringReader = fileReader.ReadLine()
MsgBox("The first line of the file is " & stringReader)

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0
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