Adds a node to a graph.
capi
graph-pane-add-graph-node graph-pane object parent-node => new-node
graph-pane
A graph-pane .
object
An object.
parent-node
A graph-node .
graph-node
new-node
The generic function graph-pane-add-graph-node adds a new node in the graph graph-pane corresponding to object , and links it as a child of parent-node .
graph-pane-add-graph-node
graph-node graph-pane