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TextReader Constructor

Initializes a new instance of the TextReader class.

[Visual Basic]
Protected Sub New()
[C#]
protected TextReader();
[C++]
protected: TextReader();
[JScript]
protected function TextReader();

Remarks

Use this constructor for derived classes.

The following table lists examples of other typical or related I/O tasks.

To do this... See the example in this topic...
Create a text file. Writing Text to a File
Write to a text file. Writing Text to a File
Read from a text file. Reading Text from a File
Append text to a file. Opening and Appending to a Log File

File.AppendText

FileInfo.AppendText

Get the size of a file. FileInfo.Length
Get the attributes of a file. File.GetAttributes
Set the attributes of a file. File.SetAttributes
Determine if a file exists. File.Exists
Read from a binary file. Reading and Writing to a Newly Created Data File
Write to a binary file. Reading and Writing to a Newly Created Data File

Example

[Visual Basic, C#, C++] This code example is part of a larger example provided for the TextReader class.

[Visual Basic] 
Dim aStringReader, aStreamReader As TextReader
aStringReader = New StringReader(aStringWriter.ToString())
aStreamReader = New StreamReader("InvalidPathChars.txt")

[C#] 
TextReader stringReader = 
    new StringReader(stringWriter.ToString());
using(TextReader streamReader = 
    new StreamReader("InvalidPathChars.txt"))

[C++] 
TextReader* stringReader = 
    new StringReader(stringWriter->ToString()); 
TextReader* streamReader = 
    new StreamReader("InvalidPathChars.txt");

[JScript] No example is available for JScript. To view a Visual Basic, C#, or C++ example, click the Language Filter button Language Filter in the upper-left corner of the page.

Requirements

Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, .NET Compact Framework, Common Language Infrastructure (CLI) Standard

See Also

TextReader Class | TextReader Members | System.IO Namespace | Working with I/O | Reading Text from a File | Writing Text to a File

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