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Excel DLLs
- To: cygwin at sourceware dot cygnus dot com
- Subject: Excel DLLs
- From: Roland Ruehl <roland at PDF dot COM>
- Date: Tue, 07 Mar 2000 08:46:55 -0800
- cc: roland at PDF dot COM
Hello,
I am building DLLs with CYGWIN B20.1 for linkage with Excel and Visual
Basic. I started from Mumit's dll examples and am getting into more
complex coding now. I have a few questions and was wondering if anybody had
experience or could refer me to further documentation:
- Does anybody know about detailed documentation for passing parameters
from Visual basic to Cygwin ? For instance, by trial and error,
I found out that Strings are passed as pointers to C arrays of
shorts, but am wondering about more complex structures, i.e.
records, arrays, etc. How do I pass an unknown number of
parameters, similar to the Excel SUM() construct, for example ?
- I am able to do basic unbuffered IO in the DLL (open/read/write)
but failed to do more complex stuff, like opening
a socket, a pipe or do buffered IO. Is that possible, and
if yes how ?
Thank you in advance for any help you can provide,
Roland Ruehl.
PDF Solutions, Inc.
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