EnvironmentPermissionAccess Enum
Definition
Important
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Caution
Code Access Security is not supported or honored by the runtime.
Specifies access to environment variables.
This enumeration supports a bitwise combination of its member values.
public enum class EnvironmentPermissionAccess
[System.Flags]
[System.Obsolete("Code Access Security is not supported or honored by the runtime.", DiagnosticId="SYSLIB0003", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
public enum EnvironmentPermissionAccess
[System.Flags]
[System.Serializable]
public enum EnvironmentPermissionAccess
[System.Flags]
[System.Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
public enum EnvironmentPermissionAccess
[System.Flags]
public enum EnvironmentPermissionAccess
[<System.Flags>]
[<System.Obsolete("Code Access Security is not supported or honored by the runtime.", DiagnosticId="SYSLIB0003", UrlFormat="https://aka.ms/dotnet-warnings/{0}")>]
type EnvironmentPermissionAccess =
[<System.Flags>]
[<System.Serializable>]
type EnvironmentPermissionAccess =
[<System.Flags>]
[<System.Serializable>]
[<System.Runtime.InteropServices.ComVisible(true)>]
type EnvironmentPermissionAccess =
[<System.Flags>]
type EnvironmentPermissionAccess =
Public Enum EnvironmentPermissionAccess
- Inheritance
- Attributes
Fields
AllAccess | 3 | Read and Write access to environment variables. AllAccess represents multiple EnvironmentPermissionAccess values and causes an ArgumentException when used as the |
NoAccess | 0 | No access to environment variables. NoAccess represents no valid EnvironmentPermissionAccess values and causes an ArgumentException when used as the parameter for GetPathList(EnvironmentPermissionAccess), which expects a single value. |
Read | 1 | Only read access to environment variables is specified. Changing, deleting and creating environment variables is not included in this access level. |
Write | 2 | Only write access to environment variables is specified. Write access includes creating and deleting environment variables as well as changing existing values. Reading environment variables is not included in this access level. |
Remarks
Caution
Code Access Security (CAS) has been deprecated across all versions of .NET Framework and .NET. Recent versions of .NET do not honor CAS annotations and produce errors if CAS-related APIs are used. Developers should seek alternative means of accomplishing security tasks.
This enumeration is used by EnvironmentPermission.
Note
Although NoAccess
and AllAccess
appear in EnvironmentPermissionAccess
, they are not valid for use as the parameter for EnvironmentPermission.GetPathList because they describe no environment variable access types or all environment variable access types, respectively, and GetPathList expects a single environment variable access type.
Applies to
See also
.NET
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