void fm_ReturnEvent(List<string> GPSCodes) { if (!GPSCodes.IsEmpty()) { txtVehCode.Text = GPSCodes.JoinToString(","); } fm = null; }
private void button4_Click(object sender, EventArgs e) { fm = new Fm_VehHistory(); fm.ReturnEvent += new Fm_VehHistory.ReturnDelegate(fm_ReturnEvent); fm.Show(); }