FileInfo.CreateText Method ()

 

Creates a StreamWriter that writes a new text file.

Namespace:   System.IO
Assembly:  mscorlib (in mscorlib.dll)

Public Function CreateText As StreamWriter

Return Value

Type: System.IO.StreamWriter

A new StreamWriter.

Exception Condition
UnauthorizedAccessException

The file name is a directory.

IOException

The disk is read-only.

SecurityException

The caller does not have the required permission.

By default, full read/write access to new files is granted to all users.

The following example demonstrates the CreateText method.

Imports System
Imports System.IO
Imports System.Text

Public Class Test

    Public Shared Sub Main()
        Dim path As String = "c:\MyTest.txt"
        Dim fi As FileInfo = New FileInfo(path)

        If fi.Exists = False Then
            'Create a file to write to.
            Dim sw As StreamWriter = fi.CreateText()
            sw.WriteLine("Hello")
            sw.WriteLine("And")
            sw.WriteLine("Welcome")
            sw.Flush()
            sw.Close()
        End If

        'Open the file to read from.
        Dim sr As StreamReader = fi.OpenText()

        Do While sr.Peek() >= 0
            Console.WriteLine(sr.ReadLine())
        Loop
        sr.Close()
    End Sub
End Class
'This code produces output similar to the following; 
'results may vary based on the computer/file structure/etc.:
'
'Hello
'AndAnd
'Welcome

FileIOPermission

for reading and writing files. Associated enumerations: FileIOPermissionAccess.Read, FileIOPermissionAccess.Write

Universal Windows Platform
Available since 10
.NET Framework
Available since 1.1
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
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