December 2002
Intermediate to advanced
648 pages
19h 53m
English
Content preview from Software Engineering and Computer Games
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23.6. Navigating app, doc, and view
We’ve already discussed how MFC uses the Document-View architecture in Chapter 5: Software Design Patterns. This section fills in a little more information about how we can navigate among the app, the doc and the view.
In MFC you can always get there from here. But the pathways are a little oddly marked. Table 23.2 lists the code to use to get a pointer to the classes listed in the top row from inside a method belonging to class in the left column.
The ::AfxGetApp() is a global MFC function, by the way; we write the ‘:: ’ in front of it to remind ourselves that it’s a global function rather than being a method of any particular class.
The access methods in the fine print look kind of unpleasant. In reality, ...
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