This function returns the registered event pattern and the Tcl callback code that the Tcl interpreter evaluates after a event occurs that machtches the event pattern.
widget path as a string or as an object handle
glyph binding id
Character vector of length two. First element is the event pattern, the second element is the Tcl callback code.
Bindings, callbacks, and binding substitutions are described in detail in
loon's documentation webpage, i.e. run