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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


Winapi.MessagesProvides access to Windows messages.
Winapi.MtxProvides access to Windows mutex functionality.