Download WTL Helper Setup - 354.6 KB Download source - 307.6 KB Introduction When I started using WTL, I didn't find any tool that could help me add message handlers like the Class Wizard. So, I decided to develop my own add-in for Microsoft Visual Studio (MS VS) that does that. Sorry for my English, I don't know it very well. Using the Add-in First, you should download WTL Helper Setup and r