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FileSystem.ReadAllBytes Method

.NET Framework 3.5

Other Versions

Returns the contents of a file as a byte array.

Namespace: Microsoft.VisualBasic.FileIO
Assembly: Microsoft.VisualBasic (in Microsoft.VisualBasic.dll)

Syntax

C++

JScript

Copy

public static byte[] ReadAllBytes(
	string file
)

Parameters

file: Type: System.String
String. File to be read. Required.

Return Value

Type: System.Byte[]
Byte array containing the contents of the file.

Remarks

For more detailed information, see the Visual Basic topic My.Computer.FileSystem.ReadAllBytes Method.

The ReadAllBytes method of the My.Computer.FileSystem object allows you to read from a binary file. The contents of the file are returned as a byte array.

Do not make decisions about the contents of the file based on the name of the file. For example, the file Form1.vb may not be a Visual Basic source file. Verify all inputs before using the data in your application.

The following table lists examples of tasks involving the My.Computer.FileSystem.ReadAllBytes method.

To	See
Read from a binary file	How to: Read From Binary Files in Visual Basic

Examples

This example reads from the file C:/Documents and Settings/selfportrait.jpg.

Copy

My.Computer.FileSystem.ReadAllBytes _
("C:/Documents and Settings/selfportrait.jpg")

Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

Version Information