Adding Event to HorizontalPanel (GWT)

Question

I have to add an onLoad event handler to a Horizontal Panel.

I have tried adding addAttachHandler as it was specified in post How do I setup for and/or handle onload event with GWT but it doesn't work for me. Eclipse shows like there isn't any method such as addAttachHandler() available for HorizontalPanel.

Answer 1

Horizo​​ntalPanel确实具有addAttachHandler（）方法，它是从Widget继承的。