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 TestApplication1
11 {
12 public partial class ProgressPic : UserControl
13 {
14 Timer ti;
15 byte buffer = 0;
16
17 public ProgressPic()
18 {
19 InitializeComponent();
20 ti = new Timer();
21 ti.Interval = 1000;
22 ti.Tick += new EventHandler(ti_Tick);
23 ti.Start();
24 }
25
26 void ti_Tick(object sender, EventArgs e)
27 {
28 label1.Refresh();
29 label2.Refresh();
30 label3.Refresh();
31 label4.Refresh();
32 label5.Refresh();
33 buffer++;
34 if (buffer > 4)
35 buffer = 0;
36 SolidBrush b = new SolidBrush(Color.Violet);
37 Rectangle rc = new Rectangle(0, 0, label1.Width, label1.Height);
38 switch (buffer)
39 {
40 case 0:
41 {
42 Graphics g = label5.CreateGraphics();
43 g.FillRectangle(b, rc);
44 g.Dispose();
45 }
46 break;
47 case 1:
48 {
49 Graphics g = label1.CreateGraphics();
50 g.FillRectangle(b, rc);
51 g.Dispose();
52 }
53 break;
54 case 2:
55 {
56 Graphics g = label2.CreateGraphics();
57 g.FillRectangle(b, rc);
58 g.Dispose();
59 }
60 break;
61 case 3:
62 {
63 Graphics g = label3.CreateGraphics();
64 g.FillRectangle(b, rc);
65 g.Dispose();
66 }
67 break;
68 case 4:
69 {
70 Graphics g = label4.CreateGraphics();
71 g.FillRectangle(b, rc);
72 g.Dispose();
73 }
74 break;
75 }
76 b.Dispose();
77 }
78 }
79 }
