Winapi
Provides access to Win32 functionality. The units listed here are only a small part of the Winapi units provided in RAD Studio. For a full list of supported functionality, see the Winapi source files in the product installation directory folder (that is, either lib/win32 or lib/win64). For further help on the Winapi, see the MSDN online library
Units
| Winapi.Messages | Provides access to Windows messages. |
| Winapi.Mtx | Provides access to Windows mutex functionality. |