What's an alternative to GWL_USERDATA for storing an object pointer?

Question

In the Windows applications I work on, we have a custom framework that sits directly above Win32 (don\'t ask). When we create a window, our normal practice is to put

Answer 1

The other alternative is SetProp/RemoveProp (When you are subclassing a window that already uses GWLP_USERDATA)

Another good alternative is ATL style thunking of the WNDPROC, for more info on that, see

• http://www.ragestorm.net/blogs/?cat=20
• http://www.hackcraft.net/cpp/windowsThunk/