private void WebFormHandleDestroyed(object sender, EventArgs e)
{
Communicator.Instance.WebDataAvailable -= HandleWebDataEvent;
_mbfilter = null;
}
private void WebFormHandleCreated(object sender, EventArgs e)
{
Communicator.Instance.WebDataAvailable += HandleWebDataEvent;
EventHandler backevent = BackToolStripButtonClick;
EventHandler forwardevent = ForwardToolStripButtonClick;
_mbfilter = new MessageFilter(this, ref backevent, ref forwardevent);
}