The MembershipCouldBeInvalid property of the AudienceCollection class gets a flag that indicates that audience membership may be out of date.
true indicates that audience membership information may be out of date; otherwise, false.
The MembershipCouldBeInvalid property is read-only. This property returns true if the date when audience content was last updated is greater than the date when audience rules were last compiled.
Platforms: Microsoft Windows Server 2003
Security: Code Access Security