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

.NET Framework

Supported in: 4.5.1, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, 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.

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