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EnvironmentPermission Constructor (EnvironmentPermissionAccess, String)

Initializes a new instance of the EnvironmentPermission class with the specified access to the specified environment variables.

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

public EnvironmentPermission(
	EnvironmentPermissionAccess flag,
	string pathList


Type: System.Security.Permissions.EnvironmentPermissionAccess
One of the EnvironmentPermissionAccess values.
Type: System.String
A list of environment variables (semicolon-separated) to which access is granted.


The pathList parameter is null.


The flag parameter is not a valid value of EnvironmentPermissionAccess.

This constructor allows only one of the EnvironmentPermissionAccess values to be specified. This access applies to all listed environment variables. Use AddPathList to define complex permissions.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.