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MemoryMappedFileAccess Enumeration

Specifies access capabilities and restrictions for a memory-mapped file or view.

Namespace:  System.IO.MemoryMappedFiles
Assembly:  System.Core (in System.Core.dll)

[SerializableAttribute]
public enum MemoryMappedFileAccess

Member nameDescription
ReadWriteRead and write access to the file.
ReadRead-only access to the file.
WriteWrite-only access to file.
CopyOnWriteRead and write access to the file, with the restriction that any write operations will not be seen by other processes.
ReadExecuteRead access to the file that can store and run executable code.
ReadWriteExecuteRead and write access to the file that can can store and run executable code.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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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