Contents.

1. Excel, C++ interation via ATL.

   Building basic ATL server, passing basic types, strings and arrays between C++ and VB(VBA), using SAFEARRAY and VARIANT.




2. Custom data, COM enumerations and collections.

   Building an ATL server supporting a COM collection.




3. Firing events. Callback and multithreading.

   Implementation of a C++ server making a callback to VB from the main thread or from a child thread.




4. HTML's most useful.

   Quick reference of symbols, tags and some templates.




5. VBA timer.

   A quick way to implement repeated calls of some VBA subroutine.
   The function OnTime is the main tool.