1 using System; 2 using System.Collections.Generic; 3 using System.ComponentModel; 4 using System.Drawing; 5 using System.Data; 6 using System.Linq; 7 using System.Text; 8 using System.Windows.Forms; 9 10 namespace UserControls11 {12     public partial class UserControl1 : UserControl13     {14         public delegate void MyDelegate(object sender, EventArgs e);//建立委托15         public MyDelegate myEven_click;16         public UserControl1()17         {18             InitializeComponent();19             button1.Click += new EventHandler(button1_Click); //绑定委托事件20         }21 22         private void button1_Click(object sender, EventArgs e)23         {24             if (myEven_click != null)25             {26                 myEven_click(sender, e);27             }28         }29     }30 }

1 using System; 2 using System.Collections.Generic; 3 using System.ComponentModel; 4 using System.Data; 5 using System.Drawing; 6 using System.Linq; 7 using System.Text; 8 using System.Windows.Forms; 9 10 namespace 自定义控件的点击事件11 {12     public partial class Form1 : Form13     {14         public Form1()15         {16             InitializeComponent();17         }18 19         private void Form1_Load(object sender, EventArgs e)20         {21             userControl11.myEven_click += new UserControls.UserControl1.MyDelegate(fuzhi);//把事件绑定到自定义的委托上22         }23         public void fuzhi(object sender ,EventArgs e)24         {25             label1.Text = "456";26         }27     }28 }