| Re: IDLDrawWidget component function documentation [message #14058] |
Sat, 16 January 1999 00:00  |
Reinhold Schaaf
Messages: 10
Registered: March 1998
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Junior Member |
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Mark,
the documentation in IDL's online-documentation is broken, at least in
Version 5.1, and as far as I know in 5.2 too. But on RSI's website you
can find a pdf-document "External Development Guide" (file name
edg.pdf), that contains a chapter "IDL ActiveX Control Command
Reference", which is quite complete.
Also, the IDL distribution contains an example C++ project (path is
external\activex\vc in the IDL-directory), which I found _very_
helpfull. I think, the methods
COCXOneDlg::OnCppScalarToIDLClick()
COCXOneDlg::OnIDLScalarToCppClick()
COCXOneDlg::OnCppArrayToIDLClick()
COCXOneDlg::OnIDLArrayToCppClick()
should point you the way to the answer of your question in your other
posting. However, the program is written in Visual C++, and I am not
shure whether it can be used with the C++Builder.
I have written some C++-classes to transfer ints, floats, doubles, and
arrays of floats from C++ to IDL and vice versa (well, arrays only from
C++ to IDL, not back, sorry!), using the recipies from these examples. I
can mail them to you, if you want. They are written in Visual C++, but
it should be no problem to convert them to your compiler. Also, the
transfer of arrays is not (yet?) completely clean, I get unhandeled
exceptions, but the result is ok. Probably some problem with releasing
the variant. But this is in the present context of my project a minor
problem, so I will not try to solve it within the next two months.
Hope, this helps
Reinhold
Mark McGillion wrote:
>
> Hi all,
>
> Does anyone know if there exists any documentation on the IDLDrawWidget
> component functions such as ExecutrStr(), GetNamedData(),
> SetNamedData().
>
> I can see the prototypes for these functions, but I do not have an
> explanantion of their functionality or return values.
>
> Regards,
>
> Mark
--
************************************************************ *
Reinhold Schaaf
Ettighofferstr. 22
53123 Bonn
Germany
Tel.: (49)-228-625713
Email: schaaf@astro.uni-bonn.de
************************************************************ *
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