//将0~9数字图片保存在Image数组中  private Image[] image = new Bitmap[10];  public Form1()  {      InitializeComponent();      for (int i = 0; i < 10;i++ )      {   image[i] = new Bitmap(@"D:/编程/C#/数字时钟/数字时钟/Resources/"+i.ToString()+".jpg");      }  }  private void Form1_Paint(object sender, PaintEventArgs e)  {      Graphics g = e.Graphics;        int hh = DateTime.Now.Hour;                       //取得小时数字      int hh1 = hh / 10;      int hh2 = hh % 10;      g.DrawImage(image[hh1], 20, 20, 80, 180);      g.DrawImage(image[hh2], 100, 20, 80, 180);        int mm = DateTime.Now.Minute;                      //取得分钟数字      int mm1 = mm / 10;      int mm2 = mm % 10;      g.DrawImage(image[mm1], 260, 20, 80, 180);      g.DrawImage(image[mm2], 340, 20, 80, 180);        int ss = DateTime.Now.Second;                       //取得秒数字      int ss1 = ss / 10;      int ss2 = ss % 10;      g.DrawImage(image[ss1], 500, 20, 80, 180);      g.DrawImage(image[ss2], 580, 20, 80, 180);  }    private void timer1_Tick(object sender, EventArgs e)  //对窗体进行重绘  {      this.Invalidate();  }