public void SetButtonEventHandler(string instanceName,
ButtonEventHandler load = null, ButtonEventHandler unload = null,
ButtonEventHandler enterFrame = null, ButtonEventHandler update = null,
ButtonEventHandler render = null, ButtonEventHandler press = null,
ButtonEventHandler release = null, ButtonEventHandler rollOver = null,
ButtonEventHandler rollOut = null,
ButtonKeyPressHandler keyPress = null)
{
AddLoadCallback((o) => {lwf.SetButtonEventHandler(
instanceName, load, unload, enterFrame, update, render,
press, release, rollOver, rollOut, keyPress);});
}