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FileSystemSecurity.SetAccessRule Method (FileSystemAccessRule)

Sets the specified access control list (ACL) permission for the current file or directory.

Namespace:  System.Security.AccessControl
Assembly:  mscorlib (in mscorlib.dll)

public void SetAccessRule(
	FileSystemAccessRule rule
)

Parameters

rule
Type: System.Security.AccessControl.FileSystemAccessRule

A FileSystemAccessRule object that represents an access control list (ACL) permission to set for a file or directory.

ExceptionCondition
ArgumentNullException

The rule parameter is null.

The SetAccessRule method adds the specified access control list (ACL) rule or overwrites any identical ACL rules that match the FileSystemRights value of the rule parameter. For example, if the rule parameter specifies a Read value and the SetAccessRule method finds an identical ACL rule that specifies the Read value, the identical rule will be overwritten. If the SetAccessRule method finds an identical ACL rule that specifies the Write value, the identical rule will not be overwritten.

To persist new or changed ACL information to a file, use the SetAccessControl or SetAccessControl method. To persist new or changed ACL information to a directory, use the SetAccessControl or SetAccessControl method.

To retrieve ACL information from a file, use the GetAccessControl or GetAccessControl method. To retrieve ACL information from a directory, use the GetAccessControl or GetAccessControl method.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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