动态添加控件，事件

//添加TextBox控件
private void button1_Click(object sender, EventArgs e)
{
TextBox txt = new TextBox();
txt.Name = "txtDemo";
txt.Text = "txt实例";

//位置，大小
txt.Location = new System.Drawing.Point(12, 48);
txt.Size = new System.Drawing.Size(75, 23);

//添加到窗体中
this.Controls.Add(txt);

//添加事件
txt.Click += new EventHandler(btn_Click);
}

//定义Click单击事件
private void btn_Click(object sender, EventArgs e)
{
MessageBox.Show("事件添加成功");
}