MDAC 2.5 SDK - ODBC Programmer's Reference
Chapter 18: Installing ODBC Components
The installer DLL contains functions to install and remove ODBC components, maintain registry information about those components, and maintain registry information about data sources. It is written by Microsoft and can be redistributed by users of the MDAC SDK. For a complete description of the functions in the installer DLL, see Chapter 23, "Installer DLL API Reference."