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FileInfo.CreateText Method

Creates a StreamWriter that writes a new text file.

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

public StreamWriter CreateText()

Return Value

Type: System.IO.StreamWriter
A new StreamWriter.

ExceptionCondition
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.

For a list of common I/O tasks, see Common I/O Tasks.

The following example demonstrates the CreateText method.

using System;
using System.IO;

class Test 
{

    public static void Main() 
    {
        string path = @"c:\temp\MyTest.txt";
        FileInfo fi = new FileInfo(path);

        if (!fi.Exists) 
        {
            //Create a file to write to. 
            using (StreamWriter sw = fi.CreateText()) 
            {
                sw.WriteLine("Hello");
                sw.WriteLine("And");
                sw.WriteLine("Welcome");
            }
        }

        //Open the file to read from. 
        using (StreamReader sr = fi.OpenText()) 
        {
            string s = "";
            while ((s = sr.ReadLine()) != null) 
            {
                Console.WriteLine(s);
            }
        }
    }
}
//This code produces output similar to the following;  
//results may vary based on the computer/file structure/etc.: 
// 
//Hello 
//And 
//Welcome

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, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

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, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

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