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FileAccess Enumeration

Defines constants for read, write, or read/write access to a file.

This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.

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

'Declaration
<SerializableAttribute> _
<ComVisibleAttribute(True)> _
<FlagsAttribute> _
Public Enumeration FileAccess

Member nameDescription
Supported by the XNA FrameworkReadRead access to the file. Data can be read from the file. Combine with Write for read/write access.
Supported by the XNA FrameworkWriteWrite access to the file. Data can be written to the file. Combine with Read for read/write access.
Supported by the XNA FrameworkReadWriteRead and write access to the file. Data can be written to and read from the file.

For an example of creating a file and writing text to a file, see How to: Write Text to a File. For an example of reading text from a file, see How to: Read Text from a File. For an example of reading from and writing to a binary file, see How to: Read and Write to a Newly Created Data File.

A FileAccess parameter is specified in many of the constructors for File, FileInfo, FileStream, and other constructors where it is important to control the kind of access users have to a file.

The following FileStream constructor grants read-only access to an existing file (FileAccess.Read).


Dim s2 As New FileStream(name, FileMode.Open, FileAccess.Read, FileShare.Read)


.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

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.

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