再问个小问题。。。

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;namespace Win32Api
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
        private System.Windows.Forms.Button button1;
        private System.Windows.Forms.Panel panel1;
        private System.Windows.Forms.Button button2;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null; public Form1()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent(); //
// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//
} /// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if(components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
} #region Windows Form Designer generated code
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
            this.button1 = new System.Windows.Forms.Button();
            this.panel1 = new System.Windows.Forms.Panel();
            this.button2 = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(216, 88);
            this.button1.Name = "button1";
            this.button1.TabIndex = 0;
            this.button1.Text = "button1";
            // 
            // panel1
            // 
            this.panel1.Location = new System.Drawing.Point(200, 88);
            this.panel1.Name = "panel1";
            this.panel1.TabIndex = 1;
            // 
            // button2
            // 
            this.button2.Location = new System.Drawing.Point(208, 232);
            this.button2.Name = "button2";
            this.button2.TabIndex = 2;
            this.button2.Text = "button2";
            this.button2.Click += new System.EventHandler(this.button2_Click);
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(480, 317);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.button2,
                                                                          this.panel1,
                                                                          this.button1});
            this.Name = "Form1";
            this.Text = "Form1";
            this.ResumeLayout(false);        }
#endregion        private void button2_Click(object sender, System.EventArgs e)
        {
                this.button1.BringToFront();
        }
}
}