Selects nodes in a graph according to a predicate.
capi
graph-pane-select-graph-nodes graph-pane predicate
graph-pane
A graph-pane .
predicate
A function of one argument with boolean result.
The generic function graph-pane-select-graph-nodes applies predicate to all of the graph-nodes in graph-pane , and sets the selected-items to be the objects corresponding to those nodes for which predicate returns a true value.
choice-selected-items graph-node graph-pane