




The function graph-pane-object-at-position returns the graph-object (either a graph-edge or a graph-node) at the coordinates 
x
, 
y
 in the graph 
graph-pane.
If there is no graph-object at position
 x
,
y
 then graph-pane-object-at-position returns nil.
CAPI User Guide and Reference Manual (Windows version) - 3 Aug 2017