Current Documentation for the MapWinGIS ActiveX Control Version 4.8

• The most complete documentation for the MapWinGIS ActiveX control is here: http://www.mapwindow.org/documentation/mapwingis4.8/
• A brief change history of of key changes from 4.7 to 4.8 (starting from 12 February 2011) is here: Version history. 

Older Documentation

• Quick Start Guide to Programming with the MapWinGIS ActiveX Control in Visual Basic .NET -UsingMapWinGIS.pdf
• Functions, Methods, and Properties Reference Manual for the MapWinGIS ActiveX Control - MapWinGIS Reference Manual with TOC.pdf (thanks to user DerBeobachter for adding the Table of Contents)
• Class Diagram Poster for the MapWinGIS ActiveX Control - MapWinGIS_API_Poster.ppt
• Early CHM Compiled Help File for the MapWinGIS ActiveX Control (must be unzipped with 7zip) -MapWinGIS.7z
• Sample projects on various languages - http://www.mapwindow.org/pages/documentation.php