Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] Undo( ) method, WindowsIdentity class unknown faults Unsubscribe( ) and Subscribe( ) methods ISubscriptionService interface OperationContract URIs (Universal Resource Identifiers) UseAspNetProviders property user groups as security roles, drawbacks of 2nd username and password authentication username and password credentials client authentication with Internet service using Windows credentials UserName property, ClientBase<T> class UserNameAuthentication property UserNamePasswordClientCredential class UserNamePasswordServiceCredential class MembershipProvider property UserNamePasswordValidationMode property .MembershipProvider value .Windows value UseSynchronizationContext property CallbackBehavior attribute ServiceBehavior attribute disallowing affinity to UI thread |