The RegistrySecurity.AddAuditRule(RegistryAuditRule) method searches for rules with the same user or group as rule. If none are found, rule is added. If a matching rule is found, the flags in rule are merged into the existing rule.

Rules cannot be merged if they have different inheritance flags. For example, if failed attempts to write to a key are audited for a particular user, with no inheritance flags, and RegistrySecurity.AddAuditRule(RegistryAuditRule) is used to add a rule specifying that failed attempts to change permissions are to be audited for the same user, but with inheritance for subkeys (InheritanceFlags.ContainerInherit), the two rules cannot be merged.

Namespace: System.Security.AccessControl
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 2.0.0.0, 4.0.0.0
Since: .NET 2.0