win32.base.messages is available since version 1.0.
Import library : win32.base.messages
(you must include this at the top of your source: "import win32.base.messages" (no quotes)
The base for the Concept remote client application. This library is used internally, and generally you should not call get_message, send_message and wait_message_ID directly (being easier to just use the framework build based on this functions). Also provides inter application communications functions like SendAPMessage and GetAPMessage.
This library is fully portable on supported operating systems (windows+penguins). The win32 in the prefix is because is using style similar to the win32 API messages, and the first Concept client was not cross platform. In this new version, the client is gtkmm-based, and is fully portable.