Notes about building CONTAIN.EXE: You need Visual C++ 2.0 with Microsoft Foundation Classes Version 3.0, or newer, to build this project. The project uses the Unicode MFC libraries, so you msut have those installed, as well. Further, the project uses header files from the OLE Control Developers' Kit; you'll need to make sure you have the 32-bit version of the kit installed. The application shows how to write an MFC program which can contain OLE Controls. While the application is a functional OLE Control container, it doesn't support the robust user interface which the CDK's own Container has. Instead of posting information about events in a list box, for example, the application simply emits TRACE() messages to reflect information about the message box. Since the program's only communication with the world is through such debug messages, the CONTAIN.MAK project only supports a debug build target.