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)
| Member name | Description | |
|---|---|---|
 | Read | Read access to the file. Data can be read from the file. Combine with Write for read/write access. |
| Write | Write access to the file. Data can be written to the file. Combine with Read for read/write access. |
| ReadWrite | Read 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.
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.
