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MemoryMappedFileRights Enumeration

.NET Framework 4.6 and 4.5

Specifies access rights to a memory-mapped file that is not associated with a file on disk.

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

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

[FlagsAttribute]
public enum MemoryMappedFileRights

Member nameDescription
AccessSystemSecurityThe right to get or set permissions on a file.
ChangePermissionsThe right to change the security and audit rules associated with a file.
CopyOnWriteThe right to read and write to a file with the restriction that write operations will not be seen by other processes.
DeleteThe right to delete a file.
ExecuteThe right to run an application file.
FullControlThe right to exert full control over a file, and to modify access control and audit rules. This value represents the right to do anything with a file and is the combination of all rights in this enumeration.
ReadThe right to open and copy a file as read-only.
ReadExecuteThe right to open and copy a folder or file as read-only, and to run application files. This right includes the Read right and the Execute right.
ReadPermissionsThe right to open and copy access and audit rules from a file. This does not include the right to read data, file system attributes, or extended file system attributes.
ReadWriteThe right to open and copy a file, and the right to add data to a file or remove data from a file.
ReadWriteExecuteThe right to open and copy a file, the right to add data to a file or remove data from a file, and the right to run an application file.
TakeOwnershipThe right to change the owner of a file.
WriteThe right to add data to a file or remove data from a file.

You can specify access rights when you use the MemoryMappedFile.OpenExisting method to open an existing memory-mapped file.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4
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