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BinaryWriter Constructor (Stream, Encoding)

Initializes a new instance of the BinaryWriter class based on the supplied stream and a specific character encoding.

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

public BinaryWriter(
	Stream output,
	Encoding encoding


Type: System.IO.Stream
The supplied stream.
Type: System.Text.Encoding
The character encoding.


The stream does not support writing, or the stream is already closed.


output or encoding is null.

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

.NET Framework

Supported in: 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

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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