This sub-folder contains the compiled library for application base classes produced by Microsoft Visual Studio .NET. If you change the base classes and re-compile, you can move the resulting .DLL from this folder to your application’s folder.
File
Function
BaseClasses.dll
The application base classes in compiled, library form. This is the only base class file you will need to run your application. Once compiled, all new applications created will use the latest version. However, you will need to manually copy this file to any existing applications you wish to update.
BaseClasses.pdb
A PDB (program database) file holds debugging and project state information that allows incremental linking of a Debug configuration of your application. This allows you to debug BaseClasses.dll.