Class types in Symbian C++

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Created: tote_b5 (28 Mar 2007)

Last edited: hamishwillee (04 Dec 2012)

Applications on Symbian OS use four general kinds of class. These are:

• Value classes, or types, whose name begins with T. They do not own any external object, either directly (by pointer) or indirectly (by handle).
• Heap-allocated classes, whose name begins with C. All such classes are derived from class CBase.
• Resource classes, whose name begins with R. R objects are handles to a real resource which is maintained elsewhere.
• Interface classes, whose name begins with M. They define abstract protocol definitions that are implemented by derived classes.