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.NET Framework Class Library
BinaryReaderReadSByte Method

Reads a signed byte from this stream and advances the current position of the stream by one byte.

This API is not CLS-compliant. 

Namespace:   System.IO
Assemblies:   mscorlib (in mscorlib.dll)
  System.IO (in System.IO.dll)
<[%$TOPIC/5w1dz04s_en-us_VS_110_1_0_0_0_0%](False)> _
Public Overridable Function ReadSByte As [%$TOPIC/5w1dz04s_en-us_VS_110_1_0_0_0_1%]
public virtual [%$TOPIC/5w1dz04s_en-us_VS_110_1_0_1_0_1%] ReadSByte()
virtual [%$TOPIC/5w1dz04s_en-us_VS_110_1_0_2_0_1%] ReadSByte()
abstract ReadSByte : unit -> [%$TOPIC/5w1dz04s_en-us_VS_110_1_0_3_0_1%] 
override ReadSByte : unit -> [%$TOPIC/5w1dz04s_en-us_VS_110_1_0_3_0_3%]

Return Value

Type: SystemSByte
A signed byte read from the current stream.

The end of the stream is reached.


The stream is closed.


An I/O error occurs.


BinaryReader does not restore the file position after an unsuccessful read.

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

Version Information

.NET Framework

Supported in: 4.6, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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