1 /*==============================================================================
 2  * Author:深度训练
 3  * Create time: 2013-07-28
 4  * Blog Address:http://www.cnblogs.com/wangiqngpei557/
 5  * Author Description:特定领域软件工程实践；
 6  *==============================================================================*/
 7 using System;
 8 using System.Collections.Generic;
 9 using System.Linq.Expressions;
10 using System.Linq;
11 using Infrastructure.Common.Cache;
12 using Infrastructure.Common.Validator;
13 
14 namespace ConsoleApplication1.DomainModel
15 {
16     /// <summary>
17     /// Order.
18     /// </summary>
19     [EntityCache(10, true)]
20     [EntityValidator(ValidatorOperationType.All)]
21     public class Order
22     {
23         /// <summary>
24         /// Order code.
25         /// </summary>
26         public string OrderCode { get; set; }
27 
28         /// <summary>
29         /// Items filed.
30         /// </summary>
31         private List<Item> items = new List<Item>();
32         /// <summary>
33         /// Gets items .
34         /// </summary>
35         public IEnumerable<Item> Items { get { return items; } }
36 
37         /// <summary>
38         /// Submit order date.
39         /// </summary>
40         public DateTime SubmitDate { get; set; }
41 
42         /// <summary>
43         /// Mark <see cref="DomainModel.Order"/> Instance.
44         /// </summary>
45         /// <param name="orderCode">Order code. </param>
46         public Order(string orderCode)
47         {
48             this.OrderCode = orderCode;
49         }
50 
51         /// <summary>
52         /// Sum items prices.
53         /// </summary>
54         /// <param name="itemUsingType">item type.</param>
55         /// <returns>prices .</returns>
56         public double SumPrices(int itemUsingType)
57         {
58             double resultPrices = 0.00;
59             var currentItems = items.GroupBy(item => item.ItemUsingType).Single(group => group.Key == itemUsingType);
60             if (currentItems.Count() > 0)
61             {
62                 foreach (var item in currentItems)
63                 {
64                     resultPrices += item.Price;
65                 }
66             }
67             return resultPrices;
68         }
69 
70         /// <summary>
71         /// Add item to order.
72         /// </summary>
73         /// <param name="item">Item.</param>
74         /// <returns>bool.</returns>
75         public bool AddItem(Item item)
76         {
77             if (!item.ItemCode.Equals(string.Empty))
78             {
79                 this.items.Add(item);
80                 return true;
81             }
82             return false;
83         }
84     }
85 }

 1 /*==============================================================================
 2  * Author:深度训练
 3  * Create time: 2013-07-28
 4  * Blog Address:http://www.cnblogs.com/wangiqngpei557/
 5  * Author Description:特定领域软件工程实践；
 6  *==============================================================================*/
 7 using System;
 8 
 9 namespace ConsoleApplication1.DomainModel
10 {
11     /// <summary>
12     /// Order item.
13     /// </summary>
14     public class Item
15     {
16         /// <summary>
17         /// Item code.
18         /// </summary>
19         public Guid ItemCode { get; set; }
20 
21         /// <summary>
22         /// Item price.
23         /// </summary>
24         public float Price { get; set; }
25 
26         /// <summary>
27         /// Item using type.
28         /// </summary>
29         public int ItemUsingType { get; set; }
30     }
31 }

 1 using System;
 2 using Microsoft.VisualStudio.TestTools.UnitTesting;
 3 using NSubstitute;
 4 
 5 namespace ConsoleApplication.UnitTest
 6 {
 7     using ConsoleApplication1.DomainModel;
 8 
 9     /// <summary>
10     /// Order unit test.
11     /// </summary>
12     [TestClass]
13     public class DomainModelOrderUnitTest
14     {
15         /// <summary>
16         /// Order sumprices using type 1 test.
17         /// </summary>
18         [TestMethod]
19         public void DomainModelOrderUnitTest_SumPrices_ItemUsingTypeIs1_UnitTest()
20         {
21             Order testOrder = new Order(Guid.NewGuid().ToString());
22 
23             testOrder.AddItem(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 1, Price = 10.0F });
24             testOrder.AddItem(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 1, Price = 15.0F });
25 
26             testOrder.AddItem(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 2, Price = 20.0F });
27             testOrder.AddItem(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 2, Price = 30.0F });
28 
29             double result = testOrder.SumPrices(1);
30 
31             Assert.AreEqual(result, 25.0F);
32         }
33 
34         /// <summary>
35         /// Order sumprices using type is 2 test.
36         /// </summary>
37         [TestMethod]
38         public void DomainModelOrderUnitTest_SumPrices_ItemUsingTypeIs2_UnitTest()
39         {
40             Order testOrder = new Order(Guid.NewGuid().ToString());
41 
42             testOrder.AddItem(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 1, Price = 10.0F });
43             testOrder.AddItem(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 1, Price = 15.0F });
44 
45             testOrder.AddItem(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 2, Price = 20.0F });
46             testOrder.AddItem(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 2, Price = 30.0F });
47 
48             double result = testOrder.SumPrices(2);
49 
50             Assert.AreEqual(result, 50.0F);
51         }
52     }
53 }

1 using System;
2 namespace Infrastructure.Common
3 {
4     public interface IBusinessService
5     {
6         void SendBusinessData(object callAuthor, string methodName, object parameterInstance);
7         void SendBusinessData<P>(Func<P, object> callFun, P parameter);
8     }
9 }

 1 using System;
 2 using System.Reflection;
 3 using System.Linq;
 4 using System.Linq.Expressions;
 5 
 6 namespace Infrastructure.Common
 7 {
 8     /// <summary>
 9     /// Business service .
10     /// </summary>
11     public class BusinessService : IBusinessService
12     {
13         /// <summary>
14         /// Send service data interface .
15         /// </summary>
16         private ISendServiceData sendService;
17 
18         /// <summary>
19         /// Mark <see cref="Infrastructure.Common.ISendServiceData"/> instance.
20         /// </summary>
21         /// <param name="sendService"></param>
22         public BusinessService(ISendServiceData sendService)
23         {
24             this.sendService = sendService;
25         }
26 
27         /// <summary>
28         /// Send business data to service interface.
29         /// </summary>
30         /// <param name="callAuthor">Object author.</param>
31         /// <param name="methodName">Method name.</param>
32         /// <param name="parameterInstance">Method call parameter.</param>
33         public void SendBusinessData(object callAuthor, string methodName, object parameterInstance)
34         {
35             object result =
36                 callAuthor.GetType().GetMethod(methodName).Invoke(callAuthor, new object[] { parameterInstance });
37             if (result != null)
38             {
39                 sendService.Send(result);
40             }
41         }
42 
43         /// <summary>
44         /// Send business data to service interface.
45         /// </summary>
46         /// <typeparam name="P"></typeparam>
47         /// <param name="callFun"></param>
48         /// <param name="parameter"></param>
49         public void SendBusinessData<P>(Func<P, object> callFun, P parameter)
50         {
51             object result = callFun(parameter);
52             if (result != null)
53             {
54                 sendService.Send(result);
55             }
56         }
57     }
58 }

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Threading.Tasks;
 6 
 7 namespace Infrastructure.Common
 8 {
 9     public interface ISendServiceData
10     {
11         void Send(object sendObject);
12     }
13 }

 1 using System;
 2 using Microsoft.VisualStudio.TestTools.UnitTesting;
 3 using Infrastructure.Common;
 4 using ConsoleApplication1.DomainModel;
 5 using NSubstitute;
 6 
 7 namespace Infrastructure.Common.UnitTest
 8 {
 9     [TestClass]
10     public class InfrastructureCommonBusinsessServiceUnitTest
11     {
12         [TestMethod]
13         public void InfrastructureCommonBusinsessServiceUnitTest_BusinessService_SendBusinessData()
14         {
15             Order order = new Order(Guid.NewGuid().ToString());
16 
17             order.AddItem(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 1, Price = 10.0F });
18             order.AddItem(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 1, Price = 15.0F });
19 
20             order.AddItem(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 2, Price = 20.0F });
21             order.AddItem(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 2, Price = 30.0F });
22 
23             ISendServiceData mockISendServiceData = Substitute.For<ISendServiceData>();
24             object sendresult = null;
25             mockISendServiceData.When(isend => isend.Send(Arg.Any<object>())).Do(callinfo => sendresult = callinfo.Arg<object>());
26 
27             BusinessService testService = new BusinessService(mockISendServiceData);
28             testService.SendBusinessData(order, "SumPrices", 1);
29 
30             Assert.AreEqual((double)sendresult, 25);
31         }
32 
33         [TestMethod]
34         public void InfrastructureCommonBusinsessServiceUnitTest_BusinessService_SendBusinessDataGen()
35         {
36             Order order = new Order(Guid.NewGuid().ToString());
37 
38             order.AddItem(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 1, Price = 10.0F });
39             order.AddItem(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 1, Price = 15.0F });
40 
41             order.AddItem(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 2, Price = 20.0F });
42             order.AddItem(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 2, Price = 30.0F });
43 
44             ISendServiceData mockISendServiceData = Substitute.For<ISendServiceData>();
45             object sendresult = null;
46             mockISendServiceData.When(isend => isend.Send(Arg.Any<object>())).Do(callinfo => sendresult = callinfo.Arg<object>());
47 
48             BusinessService testService = new BusinessService(mockISendServiceData);
49             testService.SendBusinessData<Order>(ord => { return ord.SumPrices(1); }, order);
50 
51             Assert.AreEqual((double)sendresult, 25);
52         }
53     }
54 }

1 /// <summary>
2     /// Order.
3     /// </summary>
4     [EntityCache(10, true)]
5     [EntityValidator(ValidatorOperationType.All)]
6     public class Order
7     {}

 1 Codeusing System;
 2 
 3 namespace Infrastructure.Common
 4 {
 5     [AttributeUsage(AttributeTargets.Class)]
 6     public abstract class EntityOperation : Attribute
 7     {
 8         protected EntityOperation NextOperation { get; set; }
 9     }
10 }

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Threading.Tasks;
 6 
 7 namespace Infrastructure.Common.Cache
 8 {
 9     [AttributeUsage(AttributeTargets.Class)]
10     public class EntityCache : EntityOperation
11     {
12         public EntityCache(int cacheTime, bool IsEnable)
13         {
14             this.ExpireTime = cacheTime;
15         }
16 
17         public int ExpireTime { get; set; }
18 
19     }
20 }

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Threading.Tasks;
 6 
 7 namespace Infrastructure.Common.Validator
 8 {
 9     public enum ValidatorOperationType
10     {
11         Insert,
12         Delete,
13         Update,
14         Select,
15         All
16     }
17 
18     [AttributeUsage(AttributeTargets.Class)]
19     public class EntityValidator : EntityOperation
20     {
21         public EntityValidator(ValidatorOperationType validatorType)
22         {
23 
24         }
25     }
26 }

 1 namespace DomainModelBehavior.Order.ShippingBehavior
 2 {
 3     using ConsoleApplication1.DomainModel;
 4     public static class OrderBehavior
 5     {
 6         public static Order TaxRate(this Order order)
 7         {
 8             return order;
 9         }
10     }
11 }
12 
13 namespace DomainModelBehavior.Order.ShoppingCart
14 {
15     using ConsoleApplication1.DomainModel;
16     public static class OrderBehavior
17     {
18         public static Order Inventory(this Order order)
19         {
20             return order;
21         }
22     }
23 }

 1 using System;
 2 
 3 namespace ConsoleApplication1
 4 {
 5     using DomainModelBehavior.Order.ShoppingCart;
 6     class Program
 7     {
 8         static void Main(string[] args)
 9         {
10             DomainModel.Order order = new DomainModel.Order(Guid.NewGuid().ToString());
11             order.Inventory();
12         }
13     }
14 }

1 /// <summary>
2         /// 数据源的操作
3         /// </summary>
4         [ThreadStatic]
5         private static IDataSourceOperation datasourceoperation = IDataSourceOperationFactory.Create();

1 List<Apple> apples = new List<Apple>();
2  List<Item> items = apples;

1 List<Apple> apples = new List<Apple>();
2  IEnumerable<Item> items = apples;

1 List<Item> items = new List<Item>();
2             items.Add(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 1, Price = 20 });
3             items.Add(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 1, Price = 20 });
4             items.Add(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 1, Price = 20 });
5             items.Add(new Item() { ItemCode = Guid.NewGuid(), ItemUsingType = 1, Price = 20 });
6 
7             items.Where<Item>(item => item.ItemUsingType == 1);
8             items.Where(item=>item.ItemUsingType==1);

1 public static IEnumerable<TSource> Where<TSource>(this IEnumerable<TSource> source, Func<TSource, bool> predicate);

 1 using System.Collections.Generic;
 2 
 3 namespace ConsoleApplication1
 4 {
 5     public static class DtoValidator
 6     {
 7         public static IEnumerable<TSource> IsNull<TSource>(this IEnumerable<TSource> tList)
 8         {
 9             return tList;
10         }
11         public static IEnumerable<TSource> IsLength<TSource>(this IEnumerable<TSource> tList, int max)
12         {
13             return tList;
14         }
15         public static IEnumerable<TResult> End<TResult>(this IEnumerable<object> tList, IEnumerable<TResult> result)
16         {
17             result = new List<TResult>();
18             return result;
19         }
20     }
21 }

1 List<Order> orderList = null;
2 
3 List<Dto.OrderInfoDto> dtoList = new List<Dto.OrderInfoDto>();
4 
5 dtoList.IsNull().IsLength(3).End(orderList);

 1 public MainForm()
 2         {
 3             InitializeComponent();
 4             this.skinEngine1.SkinFile = Application.StartupPath + "//skins//SportsGreen.ssk";
 5             this.p1.Visible = true;
 6             //this.p2.Visible = false;
 7 
 8             //用于实现PictureBox的鼠标移动过去的提示
 9             ToolTip toolTip = new ToolTip();
10             toolTip.AutoPopDelay = 5000;//一下4个都是属性
11             toolTip.InitialDelay = 1000;
12             toolTip.ReshowDelay = 500;
13             toolTip.ShowAlways = true;
14             toolTip.SetToolTip(this.open, "打开");//参数1是button名,参数2是要显示的内容
15             toolTip.SetToolTip(this.save, "保存");
16             toolTip.SetToolTip(this.print,"打印二维码");
17             toolTip.SetToolTip(this.decod,"解码");
18             toolTip.SetToolTip(this.exit,"返回生成二维码");
19         }

 1 //随文本框输入内容生成二维码图片
 2         private void txtContent_TextChanged(object sender, EventArgs e)
 3         {
 4             string content = txtContent.Text;
 5             if (content == "")
 6             {
 7                 MessageBox.Show("请输入内容", "警告", MessageBoxButtons.OK, MessageBoxIcon.Error);
 8                 return;
 9             }
10             ByteMatrix byteMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, 200, 200);
11             Bitmap bitmap = toBitmap(byteMatrix);
12             orpic.Image = bitmap;
13             
14         }
15         //生成图片代码
16         public static Bitmap toBitmap(ByteMatrix matrix)
17         {
18             int width = matrix.Width;
19             int height = matrix.Height;
20             Bitmap bmap = new Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
21             for (int x = 0; x < width; x++)
22             {
23                 for (int y = 0; y < height; y++)
24                 {
25                     bmap.SetPixel(x, y, matrix.get_Renamed(x, y) != -1 ? ColorTranslator.FromHtml("0xFF000000") : ColorTranslator.FromHtml("0xFFFFFFFF"));
26                 }
27             }
28             return bmap;
29         }
30         //时间显示代码
31         private void timer_Tick(object sender, EventArgs e)
32         {
33             this.timeshowlable.Text = DateTime.Now.ToString();
34         }

 1 private void exit_MouseMove(object sender, MouseEventArgs e)
 2         {
 3             System.Drawing.Bitmap map = new Bitmap(Application.StartupPath+@"\image\exit-1.png");
 4             this.exit.Image = map;
 5         }
 6 
 7         private void exit_MouseLeave(object sender, EventArgs e)
 8         {
 9             System.Drawing.Bitmap map = new Bitmap(Application.StartupPath + @"\image\exit.png");
10             this.exit.Image = map;
11         }
12 
13         private void print_MouseMove(object sender, MouseEventArgs e)
14         {
15             System.Drawing.Bitmap map = new Bitmap(Application.StartupPath + @"\image\print-1.png");
16             this.print.Image = map;
17         }
18 
19         private void print_MouseLeave(object sender, EventArgs e)
20         {
21             System.Drawing.Bitmap map = new Bitmap(Application.StartupPath + @"\image\print.png");
22             this.print.Image = map;
23         }
24 
25         private void open_MouseLeave(object sender, EventArgs e)
26         {
27             System.Drawing.Bitmap map = new Bitmap(Application.StartupPath + @"\image\open.png");
28             this.open.Image = map;
29         }
30 
31         private void open_MouseMove(object sender, MouseEventArgs e)
32         {
33             System.Drawing.Bitmap map = new Bitmap(Application.StartupPath + @"\image\open-1.png");
34             this.open.Image = map;
35         }
36 
37         private void save_MouseLeave(object sender, EventArgs e)
38         {
39             System.Drawing.Bitmap map = new Bitmap(Application.StartupPath + @"\image\save.png");
40             this.save.Image = map;
41         }
42 
43         private void save_MouseMove(object sender, MouseEventArgs e)
44         {
45             System.Drawing.Bitmap map = new Bitmap(Application.StartupPath + @"\image\save-1.png");
46             this.save.Image = map;
47         }
48 
49         private void decod_MouseMove(object sender, MouseEventArgs e)
50         {
51             System.Drawing.Bitmap map = new Bitmap(Application.StartupPath + @"\image\encoding-1.png");
52             this.decod.Image = map;
53         }
54 
55         private void decod_MouseLeave(object sender, EventArgs e)
56         {
57             System.Drawing.Bitmap map = new Bitmap(Application.StartupPath + @"\image\encoding.png");
58             this.decod.Image = map;
59         }

  1 private void open_Click(object sender, EventArgs e)
  2         {
  3             if (p1.Visible == true)
  4             {
  5                 if (this.openFileDialog1.ShowDialog() != DialogResult.OK)
  6                 {
  7                     return;
  8                 }
  9                 string path = this.openFileDialog1.FileName;
 10                 openFileDialog1.DefaultExt = "*.txt";
 11                 openFileDialog1.Filter = "*.txt|";
 12                 if (path.EndsWith(".txt"))
 13                 {
 14                     string content = File.ReadAllText(path, Encoding.Default);
 15                     this.txtContent.Text = content;
 16                 }
 17                 else
 18                 {
 19                     MessageBox.Show("只能读取txt文件","提示",MessageBoxButtons.OK,MessageBoxIcon.Error);
 20                 }
 21             }
 22             else
 23             {
 24                 if (this.openFileDialog1.ShowDialog() != DialogResult.OK)
 25                 {
 26                     return;
 27                 }
 28                 string path = this.openFileDialog1.FileName;
 29                 if (!path.EndsWith(".png"))
 30                 {
 31                     MessageBox.Show("图像格式不正确，只能读取png文件", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
 32                 }
 33                 else
 34                 {
 35                     Image img = Image.FromFile(path);
 36                     Bitmap bmap;
 37                     try
 38                     {
 39                         bmap = new Bitmap(img);
 40                     }
 41                     catch (System.IO.IOException ioe)
 42                     {
 43                         MessageBox.Show(ioe.ToString());
 44                         return;
 45                     }
 46                     if (bmap == null)
 47                     {
 48                         MessageBox.Show("Could not decode image");
 49                         return;
 50                     }
 51                     else
 52                     {
 53                         this.picOpenQr.Image = bmap;
 54                     }
 55                     LuminanceSource source = new RGBLuminanceSource(bmap, bmap.Width, bmap.Height);
 56                     com.google.zxing.BinaryBitmap bitmap = new com.google.zxing.BinaryBitmap(new com.google.zxing.common.HybridBinarizer(source));
 57                     Result result;
 58                     try
 59                     {
 60                         result = new MultiFormatReader().decode(bitmap);
 61                     }
 62                     catch (ReaderException re)
 63                     {
 64                         MessageBox.Show(re.ToString());
 65                         return;
 66                     }
 67 
 68                     this.txtDencoder.Text = (result.Text);
 69                 }
 70             }
 71         }
 72 
 73         private void save_Click(object sender, EventArgs e)
 74         {
 75             if (p1.Visible == true)
 76             {
 77                 saveFileDialog1.Filter = "*.png|";
 78                 //saveFileDialog1.DefaultExt = "*.png";
 79                 saveFileDialog1.RestoreDirectory = true;
 80                 if (this.saveFileDialog1.ShowDialog() == DialogResult.OK)
 81                 {
 82                     string localPath = saveFileDialog1.FileName.ToString();
 83                     Image qrcode = orpic.Image;
 84                     if (qrcode == null)
 85                     {
 86                         MessageBox.Show("无保存项", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
 87                     }
 88                     else
 89                     {
 90                         if (localPath.EndsWith(".png"))
 91                         {
 92                             qrcode.Save(localPath);
 93                         }
 94                         else
 95                         {
 96                             qrcode.Save(localPath + ".png");
 97                         }
 98 
 99                     }
100                 }
101             }
102             else
103             {
104                 saveFileDialog1.Filter = "*.txt|";
105                 //saveFileDialog1.DefaultExt = "*.txt";
106                 if(this.saveFileDialog1.ShowDialog()==DialogResult.OK)
107                 {
108                     string localPath = saveFileDialog1.FileName.ToString()+".txt";
109                     if (File.Exists(localPath))
110                     {
111                         DialogResult RESULT = MessageBox.Show("是否确认覆盖原有文件?", "信息提示", MessageBoxButtons.YesNo);
112                         if (RESULT.ToString().Equals("Yes"))
113                         {
114                             File.Delete(localPath);
115                             File.AppendAllText(localPath, this.txtDencoder.Text, Encoding.Default);
116                         }
117                         else
118                         {
119                             return;
120                         }
121                     }
122                     else
123                     {
124                         File.AppendAllText(localPath, this.txtDencoder.Text, Encoding.Default);
125                     }
126                 }
127             }
128         }
129 
130         private void exit_Click(object sender, EventArgs e)
131         {
132             this.p2.Visible = false;
133             this.p1.Visible=true;
134         }
135 
136         private void decod_Click(object sender, EventArgs e)
137         {
138             this.p2.Visible=true;
139             this.p1.Visible = !(p1.Visible);
140         }

 1 private void print_Click(object sender, EventArgs e)
 2         {
 3             PrintDialog printDialog = new PrintDialog();
 4             printDialog.Document = printDocument;
 5             if (printDialog.ShowDialog() == DialogResult.OK) { try
 6                 {
 7                     printDocument.Print();
 8                 }
 9                 catch
10                 {   //停止打印
11                     printDocument.PrintController.OnEndPrint(printDocument, new System.Drawing.Printing.PrintEventArgs());
12                 }
13             }
14         }
15 
16         private void printDocument_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
17         {
18             if (this.p1.Visible == true)
19             {
20                 e.Graphics.DrawImage(this.orpic.Image, 20, 20);
21             }
22             else
23             {
24                 e.Graphics.DrawImage(this.picOpenQr.Image, 20, 20);
25             }
26         }