Specifies access to environment variables.
This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.
Assembly: mscorlib (in mscorlib.dll)
|No access to environment variables. represents no valid values and causes an ArgumentException when used as the parameter for GetPathList, which expects a single value.|
|Only read access to environment variables is specified. Changing, deleting and creating environment variables is not included in this access level.|
|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.|
|and access to environment variables. represents multiple values and causes an ArgumentException when used as the flag parameter for the GetPathList method, which expects a single value.|
This enumeration is used by EnvironmentPermission.
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.