public TickEventWindow(ZenFire.Connection z) { InitializeComponent(); zf = z; timeFmt = "h:mm:ss.fff"; insertRow = new InsertRowCallback(eventGrid.Rows.Insert); exchangeComboBox.DisplayMember = "Text"; exchangeComboBox.ValueMember = "ID"; exchangeComboBox.DataSource = zf.ListExchanges(); tick = new ZenFire.Connection.TickEventHandler(zf_TickEvent); zf.TickEvent += tick;// new ZenFire.Connection.TickEventHandler(zf_TickEvent); }