This pointer is called the class factory interface pointer. CatalogList.cpp takes care of implementing the component methods. DLL module definition file. CatalogItems.idl the IDL interface definition file. 10 minutes Interface is the contract between the component and its user.
Interface has a set of methods and properties.
The ClassView of the Workspace Window lists down the interfaces and classes that are present in the project workspace. In the textbox Parameters , type the list of parameters to be sent to the method. The parameters describe the item in a catalog. IN specifies that the value of the parameter is sent to the method. The AddItem method adds a item to a list of catalog items.