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BinaryReader Constructor (Stream, Encoding, Boolean)

.NET Framework 4.5

Initializes a new instance of the BinaryReader class based on the specified stream and character encoding, and optionally leaves the stream open.

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

new : 
        input:Stream * 
        encoding:Encoding * 
        leaveOpen:bool -> BinaryReader


Type: System.IO.Stream

The input stream.

Type: System.Text.Encoding

The character encoding to use.

Type: System.Boolean

true to leave the stream open after the BinaryReader object is disposed; otherwise, false.


The stream does not support reading, is a null reference (Nothing in Visual Basic), or is already closed.


encoding or input is a null reference (Nothing in Visual Basic).

.NET Framework

Supported in: 4.6

.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

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

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