This demo illustrates an approach on how to register native event listeners to
SVG-elements on a style.
In this case a style decorator adds a circle with a click listener to the style. Please
note that the yFiles input modes don't know anything about the native events you
registered. Therefore, the input modes also handle the input. This can cause unwanted
behavior, like selecting the node despite the native click listener being triggered.
To prevent input modes from being triggered as well, a
preventDefault() on the event may be registered at the element as
See the sources for details.