Getting to Know ArcObjects : Programming ArcGIS with VBA
Exercise Modifications for Compatibility with ArcGIS 9 and Higher
Getting to Know ArcObjects was developed in conjunction with ArcGIS Desktop 8.3. It is compatible with subsequent ArcGIS Desktop versions with slight modifications. Please see the documents listed below for more information.
Updates for ArcGIS 9.3 Compatibility
Updates for ArcGIS 9 Compatibility