Important: The information in this document is obsolete and should not be used for new development.
Listing Files That Can Be Subscribed To
TheNewSubscriberDialogfunction calls the edition opener function and passes theeoCanSubscribeopener verb in theselectorparameter to build the list of files that can be subscribed to. The preview in the subscriber dialog box is generated by calling theGetStandardFormatsfunction (described in "Edition Container Formats" on page 2-101), which calls the format I/O procedure with the verbseoOpen,ioHasFormat,ioRead, and theneoClose. See "Calling a Format I/O Function" on this page for detailed information on format I/O verbs.