AuthenticationHelper ExtendAuthenticationCookieExpiration Method Kentico 8.0 API Reference
Sets the authentication cookie expiration

Namespace: CMS.Membership
Assembly: CMS.Membership (in CMS.Membership.dll) Version: 8.0.0.0 (8.0.5239.26125)
See Also
AuthenticationHelper Class
AuthenticationHelper Members
CMS.Membership Namespace