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Jan 28, 2002, 3:58pm

i was making my bot and i couldnt add the ocx file so i was looking through
the object browser and the lib was in it. i didnt add it but i guess it just
went in by itself somehow....

well i want to know whats the difference between them and which one would be
the best to use

Jan 28, 2002, 4:50pm

the lib is required for the OCX to work, and I think the OCX is required for
the lib to have any function too... with ActiveX controls, other things
apply to ActiveX DLLs

KAH

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Jan 28, 2002, 5:27pm

so if i use the lib (i have to anyways) do i have to distribute the ocx with
my exe? and does it do everything the same as if i added the ocx through
compents menu?

I kind of want to use it the way i normally do but i dont knwo how to get
rid of the lib....

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Jan 28, 2002, 11:27pm

The OCX will be necessary and I think it's necessary to
register it, either with regsrv32.exe or as described
here => http://www.vbworld.com/activex/tip50.html

The OCX overlays the AW functions, like a wrapper. It
supplies the VB application with a special calling interface
and informations about parameters and return value types
of the functions that the OCX exports.

The LIB itself will _not_ be necessary in your distribution.
LIB has a (static) link-level interface, whereas the OCX has
a modified dynamic linking interface. The LIB can only be
used in compiler languages.
An OCX can use a DLL or already contain the LIB, depending
on the way the developer of the OCX designed it. Refer to
the OCX documentation, that should tell you if the AW.DLL
is needed or if the basic AW functions are linked static.

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Jan 29, 2002, 2:10am

Unless you compile the libary (lib) and the ocx right into your program your
gonna need it outside :)

--
TrekkerX
Commatron & Athnex
Anti AOL Activist, and some other stuff...
http://www.commatron.com
http://www.athnex.com
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Jan 29, 2002, 3:33am

That is complete nonsense

1. a LIB can ONLY be used to compile it into a program
so you never need it outside

2. an OCX (and DLL) can not be compiled into a program
at all, so you always need it outside


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Jan 29, 2002, 4:10pm

are you sure MS got that right? lol

KAH

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Jan 29, 2002, 9:56pm

I am very sure that even M$ got that.

A LIB has no header that allows dynamic loading, it has
a lot of relocation informations and external references
to other library functions in it. Even if you would
load it into memory, you could not do anything with it,
because the references cannot be resolved on runtime,
because the symbols of the referenced entities are not
available to the operating system.

An OCX has a loader like an EXE file (MZ...) (or a DLL)
that allows to load it as a module. It is a fully compiled
program with no external references except for DLLs or
other OCXs and provides a list of special entries with
informations about the exported functions that can be
called from outside.


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