onDoubleClick method
The dblclick event fires when a pointing device button (such as a mouse's primary button) is double-clicked; that is, when it's rapidly clicked twice on a single element within a very short span of time. Read more...
Implementation
WidgetElementVisible onDoubleClick(Function(Element, Event)? fun) {
if (fun != null) on.call('dblclick', fun);
return this;
}