#$%^&*AU2014259491A120141211.pdf#####8 ABSTRACT A standpost adapted to have a plurality of boom members mounted thereto for supporting shading apparatus at their outer ends, the standpost including: a centre portion and a plurality of tracks spaced around said centre portion and extending at least partially therealong, each track being adapted to support a carriage for up and down movement therealong and being defined by an inner guide and an outer guide adapted to retain therebetween a runner of the carriage to be supported by the track, said centre portion being hollow and adapted to house therein one or more cables extending along its length for connection at one end to carriages running on said plurality of tracks, the carriages being adapted to have boom members mounted thereto for up and down movement therewith along the standpost.