message: message. Will clear the status bar if message is NULL. If message has an "@html" suffix, then the statusbar will correctly interpret html font color tags, e.g.:
<font color="#F00">Hello</font> World!@html
C return value
-1 if operation was not successful. In a future release, a more differentiated return value might be available
Lua synopsis
number result=sim.addStatusbarMessage(string message)