Attaches a sink to the active component in an ole-control-pane.
A class instance.
A refguid or the symbol
attach-sink attaches a sink to the active component in the the ole-control-pane
pane is an ole-control-pane which is the pane where the component is.
Attached sinks are automatically disconnected when the object is closed or can be manually disconnected by calling detach-sink.
CAPI User Guide and Reference Manual (Windows version) - 3 Aug 2017