Excel Add-Ins for C++ developers

Excel 97 SDK

• Microsoft Excel Developer's Kit

  Originally a book and Software CD released by Microsoft for Excel 97. You can try to get a used copy from Amazon .com , .de or .co.uk .

  A good summary of the book is available here .

• Frmwrk32.exe

  Updated sample from Microsoft containing all files required to build your own XLLs.

OpenSource Libraries

• XLW

  provides class wrappers for all the low-level stuff

• libXLL

  libxll extends xlw with the ability to define your worksheet functions in IDL, so you can also use them from VBA, VB6, Access, Word, ...Setting up a project with libXLL

Commercial Libraries

• ManagedXLL

• XLL Plus (XLL+)

Documentation

• Microsoft Excel Developer's Kit

  Originally a book and Software CD released by Microsoft for Excel 97. You can try to get a used copy from Amazon .com , .de or .co.uk .

  Download excel97sdk.chm as a compiled HTML help file.

  A good summary of the book is available here .

• microsoft.public.excel.sdk

  A newsgroup dedicated to the Excel SDK

• Macros XLL et programmation de l'API-C

  Good information in French.

• Using GNU compilers

  Mingw32 and Cygwin