This function returns the registered event pattern and the Tcl callback code that the Tcl interpreter evaluates after a event occurs that matches the event pattern.
l_bind_item_get(widget, id)Character vector of length two. First element is the event pattern, the second element is the Tcl callback code.
widget path as a string or as an object handle
item binding id
Bindings, callbacks, and binding substitutions are described in detail in
loon's documentation webpage, i.e. run l_help("learn_R_bind")
l_bind_item, l_bind_item_ids,
l_bind_item_delete, l_bind_item_reorder