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Multiple Inheritance and Interfaces

15 replies on 2 pages. Most recent reply: Oct 4, 2005 6:04 AM by Lee Powell

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Lee Powell

Posts: 3
Nickname: lpowell
Registered: Oct, 2005

Re: Multiple Inheritance and Interfaces Posted: Oct 4, 2005 6:04 AM
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In my view, the need to use dynamic_cast (and the RTTI overhead it requires) with MI class hierarchies makes widespread use of inherited C++ interface classes undesirable. It's simpler and more efficient to use interface containment in an object (by declaring an explicit pointer to each interface class). Yes, you then have to use new and delete on each pointer, but that's what your constructors and destructors are there for...

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