private void Form1_Load(object sender, EventArgs e) { ctrlHost = new ElementHost(); ctrlHost.Dock = DockStyle.Fill; panel1.Controls.Add(ctrlHost); wpfAddressCtrl = new MyControls.CustomControl1(); wpfAddressCtrl.InitializeComponent(); ctrlHost.Child = wpfAddressCtrl; wpfAddressCtrl.OnButtonClick += new MyControls.CustomControl1.MyControlEventHandler( avAddressCtrl_OnButtonClick); wpfAddressCtrl.Loaded += new RoutedEventHandler( avAddressCtrl_Loaded); }