using System;
using System.Drawing;
using System.Windows.Forms;
using System.Resources;public class ButtonCtl : System.Windows.Forms.Form 
{ private System.Windows.Forms.Button button1; }public ButtonCtl() : base() 
   { InitializeComponent();   }
        
private void InitializeComponent() 
{  System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(ButtonCtl));        this.button1 = new System.Windows.Forms.Button();        this.Text = "按钮";
        this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
        this.ClientSize = new System.Drawing.Size(504, 381);        button1.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
        button1.Location = new System.Drawing.Point(32, 112);
        button1.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
        button1.Size = new System.Drawing.Size(136, 56);
        button1.TabIndex = 5;
        button1.Text = "TestButton";
        button1.Click += new System.EventHandler(button1_Click);
        button1.Image = (System.Drawing.Image)resources.GetObject("button1.Image");//这句是什么意思        this.Controls.Add(button1);
        }    /// <summary>
    ///    处理 button1.Click
    /// </summary>
    private void button1_Click(object sender, EventArgs e) {
        MessageBox.Show("您已按下测试按钮") ;
    }        /// <summary>
    /// 该应用程序的主入口点。
    /// </summary>
    [STAThread]
    public static void Main(string[] args) {
        Application.Run(new ButtonCtl());
    }}
我的问题是button1.Image = (System.Drawing.Image)resources.GetObject("button1.Image");这句是什么意思,我理解为:取得button1.Image资源,再赋给button1.Image我看了MSDN讲的ResourceManage没太明白什么意思,明朋友帮望解决一下