DirectoryServicesPermission
The  DirectoryServicesPermission class allows you to control code access security permissions for  DirectoryServices.
                
Gets the collection of permission entries for this permission.
public DirectoryServicesPermission()
Initializes a new instance of the  DirectoryServicesPermission class.
Initializes a new instance of the  DirectoryServicesPermission class with the specified permission access level entries.
Initializes a new instance of the  DirectoryServicesPermission class with the specified permission state.
Initializes a new instance of the  DirectoryServicesPermission class with the specified access levels and specified path to an Active Directory Domain Services node.