Поделиться через


TextReader.Null Field

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Provides a TextReader with no data to read from.

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

Syntax

'Declaration
Public Shared ReadOnly Null As TextReader
public static readonly TextReader Null

Remarks

Reading from the Null text reader is similar to reading from the end of a stream:

Read and Peek methods return -1.

ReadBlock method returns zero.

ReadLine and ReadToEnd methods return nulla null reference (Nothing in Visual Basic).

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.