If you are interested in programming Excel © add-ins, I suggest to download and to install
1. Microsoft © Visual C++ Express
2. Boost C++ Libraries
3. XLW - A wrapper for the Excel API.
For testing and for teaching purposes I developed a small Excel © 2007 add-in example:
Open and use at your own risk, please read my disclaimer.
Sulprobil.xll - Excel © Add-in which you can copy into
[Windows Vista, Excel 2007 ©]
Sulprobil XLL User Guide - How to use this Excel© add-in
Sulprobil_C++_source.zip - Compressed C++ source files
Sulprobil XLL Installation Guide - How to install and to compile the source files