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BinaryWriter.Write Method (Byte[], Int32, Int32)

Writes a region of a byte array to the current stream.

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

abstract Write : 
        buffer:byte[] * 
        index:int * 
        count:int -> unit  
override Write : 
        buffer:byte[] * 
        index:int * 
        count:int -> unit

Parameters

buffer
Type: System.Byte[]

A byte array containing the data to write.

index
Type: System.Int32

The starting point in buffer at which to begin writing.

count
Type: System.Int32

The number of bytes to write.

ExceptionCondition
ArgumentException

The buffer length minus index is less than count.

ArgumentNullException

buffer is a null reference (Nothing in Visual Basic).

ArgumentOutOfRangeException

index or count is negative.

IOException

An I/O error occurs.

ObjectDisposedException

The stream is closed.

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

The following code example shows how to write binary data using memory as a backing store, and then verify that the data was written correctly.

No code example is currently available or this language may not be supported.

.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.

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