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); }