Loongraphs can be created with the loongraph
function.
# S3 method for loongraph
l_graphswitch_add(widget, graph, label = "", index = "end", ...)
id for graph in the graphswitch widget
graphswitch widget handle (or widget path)
a loongraph object
string with label for graph
position of graph in the graph list
additional arguments are not used for this methiod
l_graphswitch