很好的GIS编程入门教程（arcobjects 或 arcengine） 里收藏了交丰富的VBA源代码-Very good tutorial Introduction to GIS Programming (arcobjects or arcengine) where a collection of cross-rich VBA source code

MFC绘图程序MSDN的例子值得收藏学习-drawcli is a C++ sample developed by MFC