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difference between pointers and handles
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hello everyone,
i am a rookie in C++ programming, can someone please clarify my one doubt regarding difference between handles and pointers ?? actually i am little confused about handles, can any one please clarify what exactly is a Handle and why is it used??
i am a rookie in C++ programming, can someone please clarify my one doubt regarding difference between handles and pointers ?? actually i am little confused about handles, can any one please clarify what exactly is a Handle and why is it used??
A handle is an opaque pointer.
Last edited by Hamrick; Aug 31st, 2007 at 11:07 am.
The truth does not change according to our ability to stomach it.
AFAIK the C and C++ languages don't define the term 'handle', so its use can vary according to context.
In addition to the usage as described in Hamrick's link, some texts use 'handle' to describe C++ References .. in this context, 'handle' is a synonym for 'alias' or 'nickname'.
In addition to the usage as described in Hamrick's link, some texts use 'handle' to describe C++ References .. in this context, 'handle' is a synonym for 'alias' or 'nickname'.
Last edited by Bench; Aug 31st, 2007 at 1:02 pm.
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Hamrick's link is about as succenct as you can get. The why on the other hand probably will never be know. It could be deliberate, accidental or just a matter of convienence as code is being developed, modfied or upgraded. Concentrate more on the API's that provide you handles to files, memory, windows etc, and how they are used in other API's.
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Originally Posted by Ashu@sym 
hello everyone,
i am a rookie in C++ programming, can someone please clarify my one doubt regarding difference between handles and pointers ?? actually i am little confused about handles, can any one please clarify what exactly is a Handle and why is it used??
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