The Windows Extension (WE) is an encapsulation of Windows API. The distinct features of WE are: 1. C++ interface; 2. simple interface for common usage, but advanced usage; 3. low coupling degree; 4. no framework, no pattern.
Command Script 4 (CSC4) is an "application control" or application extension scripting language / virtual machine / compiler environment. CSC4 supports object member access, object creation and static calls to the underlying .NET Framework 2.0.