SecurityManager.LoadPolicyLevelFromFile Method

Note: This API is now obsolete.

Loads a PolicyLevel from the specified file.

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

[ObsoleteAttribute("This method is obsolete and will be removed in a future release of the .NET Framework. See for more information.")]
[SecurityPermissionAttribute(SecurityAction.Demand, Flags = SecurityPermissionFlag.ControlPolicy)]
public static PolicyLevel LoadPolicyLevelFromFile(
	string path,
	PolicyLevelType type


Type: System.String

The physical file path to a file containing the security policy information.

Type: System.Security.PolicyLevelType

One of the enumeration values that specifies the type of the policy level to be loaded.

Return Value

Type: System.Security.Policy.PolicyLevel
The loaded policy level.


The path parameter is null.


The file indicated by the path parameter does not exist.


The code that calls this method does not have SecurityPermissionFlag.ControlPolicy.


The code that calls this method does not have FileIOPermissionAccess.Read.


The code that calls this method does not have FileIOPermissionAccess.Write.


The code that calls this method does not have FileIOPermissionAccess.PathDiscovery.


This method uses code access security (CAS) policy, which is obsolete in the .NET Framework 4. To enable CAS policy for compatibility with earlier versions of the .NET Framework, use the <legacyCasPolicy> element.<NetFx40_LegacySecurityPolicy> Element.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0
Obsolete (compiler warning) in 4.5
Obsolete (compiler warning) in 4.5.1
Obsolete (compiler warning) in 4.5.2
Obsolete (compiler warning) in 4

.NET Framework Client Profile

Supported in: 3.5 SP1
Obsolete (compiler warning) in 4

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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