Re: typedef vs inheritance

From:
"Jonathan Wood" <jwood@softcircuits.com>
Newsgroups:
microsoft.public.vc.mfc,microsoft.public.vc.language
Date:
Fri, 18 Apr 2008 10:17:21 -0600
Message-ID:
<u#0tv#WoIHA.2208@TK2MSFTNGP04.phx.gbl>
A lot of those relate to creating various definitions for compatibility with
older code, and in some cases new libraries.

For example, under the 16-bit compiler, far and near were keywords. Now
they're defines that serve no purpose other than to allow code that uses
them to still compile.

It's just to make things easier in some cases. That's all.

--
Jonathan Wood
SoftCircuits Programming
http://www.softcircuits.com

"Carmen Sei" <fatwallet951@yahoo.com> wrote in message
news:ohmd049il0dqjtr6tomcrep16mj5hqlivt@4ax.com...

why create some many synonyms of existing types.

that create great confusion like -
typedef DWORD far *LPDWORD;

what LPDWORD is? not until u need to dig further to find out it's
DWORD*.

The C++ typedef keyword is used to create synonyms for existing types.
It's
got nothing to do with inheritance.

where alot of time I need to dig further to found the "PARENT" type of
an object hierarchy.


True, you're digging, but for different things.

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