Running a COM+ Application As a WCF Service
Let's take a look at a scenario involving QuickReturns Ltd.'s OldHorse position-tracking system (or a custody system), as shown in Figure 10-1. OldHorse was built in the late 1990s using Visual Basic 6. Since other groups within QuickReturns Ltd. leverage OldHorse, the OldHorse development team provided COM interfaces allowing client applications to interoperate with OldHorse using COM+.
When an Asset Manager makes a trade, it's necessary that the trade information is posted to the custody system. Additionally, as you'll see later, it's necessary that the custody system checks with the Asset Manager's system for pricing and pending trade information.
QuickReturns Ltd.'s OldHorse system
Visual Basic ...
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