using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace Implab.Fx.Test.Sample { public partial class OverlayForm : Form { public event EventHandler ButtonEvent; public OverlayForm() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { EventHandler temp = ButtonEvent; if (temp != null) { temp(this,new EventArgs()); } } } }