$.widget("bw.wijlinechartcursor", $.wijmo.wijlinechart, {
             _create: function () {
                 var self = this;
                 $.wijmo.wijlinechart.prototype._create.apply(self, arguments);

                 self.element.on("painted", function (e) {
                     alert("Got painted in child via element.on"); // Doesn't get called.
                 });

                 // This works, but blows away the client code's handler (below)
                 self.options.painted = function (e) {
                    alert("Got painted in child class via options.painted!");
                 }

             },

             _painted: function () {
                 alert("Got painted in child via _painted");  // Doesn't get called.
             }
         });

         $("#mywijlinechartcursor").wijlinechartcursor({
             // ... stuff...
             painted: function (e) {
                 alert("Got painted in client code");
             }
         });

self.element.on(self.widgetEventPrefix + "painted", function(e) {
    alert("Got painted in child via element.on");  // Should be called.
});