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BinaryWriter Constructor (Stream)

Initializes a new instance of the BinaryWriter class based on the supplied stream and using UTF-8 as the encoding for strings.

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

public BinaryWriter (
	Stream output
)
public BinaryWriter (
	Stream output
)
public function BinaryWriter (
	output : Stream
)

Parameters

output

The output stream.

Exception typeCondition

ArgumentException

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

ArgumentNullException

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

The following table lists examples of other typical or related I/O tasks.

To do this...

See the example in this topic...

Create a text file.

How to: Write Text to a File

Write to a text file.

How to: Write Text to a File

Read from a text file.

How to: Read Text from a File

Read from a binary file.

How to: Read and Write to a Newly Created Data File

Write to a binary file.

How to: Read and Write to a Newly Created Data File

This code example is part of a larger example provided for the BinaryWriter class.

using(BinaryWriter binWriter = 
    new BinaryWriter(File.Open(fileName, FileMode.Create)))
{
    binWriter.Write(aspectRatio);
    binWriter.Write(lookupDir);
    binWriter.Write(autoSaveTime);
    binWriter.Write(showStatusBar);
}

BinaryWriter binWriter = 
    new BinaryWriter(File.Open(fileName, FileMode.Create));
try {
    binWriter.Write(aspectRatio);
    binWriter.Write(lookupDir);
    binWriter.Write(autoSaveTime);
    binWriter.Write(showStatusBar);
}
finally {
    if ( binWriter != null ) {
        binWriter= null;
    }
}

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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