1 using System;

 2 using System.Collections.Generic;

 3 using System.Linq;

 4 using System.Text;

 5 using System.Threading.Tasks;

 6 using System.Text.RegularExpressions;

 7 using System.Windows.Forms;

 8 using System.Diagnostics;

 9 using System.Reflection;

10

11 namespace LegendTool

12 {

13     public static class LoadResoureDll

14     {

15         /// <summary> 已加载DLL

16         /// </summary>

17         private static Dictionary<string, Assembly> LoadedDlls = new Dictionary<string, Assembly>();

18         /// <summary> 已处理程序集

19         /// </summary>

20         private static Dictionary<string, object> Assemblies = new Dictionary<string, object>();

21         /// <summary> 在对程序集解释失败时触发

22         /// </summary>

23         /// <param name="sender">AppDomain</param>

24         /// <param name="args">事件参数</param>

25         private static Assembly AssemblyResolve(object sender, ResolveEventArgs args)

26         {

27             try

28             {

29                 //程序集

30                 Assembly ass;

31                 //获取加载失败的程序集的全名

32                 var assName = new AssemblyName(args.Name).FullName;

33                 //判断Dlls集合中是否有已加载的同名程序集

34                 if (LoadedDlls.TryGetValue(assName, out ass) && ass != null)

35                 {

36                     LoadedDlls[assName] = null;//如果有则置空并返回

37                     return ass;

38                 }

39                 else

40                 {

41                     throw new DllNotFoundException(assName);//否则抛出加载失败的异常

42                 }

43             }

44             catch (System.Exception ex)

45             {

46                 return null;

47                 MessageBox.Show("error:\n位置：AssemblyResolve()！\n描述：" + ex.Message);

48             }

49         }

50

51         /// <summary> 注册资源中的dll

52         /// </summary>

53         /// <param name="pattern">*表示连续的未知字符,_表示单个未知字符,如*.dll</param>

54         public static void RegistDLL(string pattern = "*.dll")

55         {

56             System.IO.Directory.GetFiles("", "");

57             //获取调用者的程序集

58             var ass = new StackTrace(0).GetFrame(1).GetMethod().Module.Assembly;

59             //判断程序集是否已经处理

60             if (Assemblies.ContainsKey(ass.FullName))

61             {

62                 return;

63             }

64             //程序集加入已处理集合

65             Assemblies.Add(ass.FullName, null);

66             //绑定程序集加载失败事件(这里我测试了,就算重复绑也是没关系的)

67             AppDomain.CurrentDomain.AssemblyResolve += AssemblyResolve;

68             //获取所有资源文件文件名

69             var res = ass.GetManifestResourceNames();

70             var regex = new Regex("^" + pattern.Replace(".", "\\.").Replace("*", ".*").Replace("_", ".") + "$", RegexOptions.IgnoreCase);

71             foreach (var r in res)

72             {

73                 //如果是dll,则加载

74                 if (regex.IsMatch(r))

75                 {

76                     try

77                     {

78                         var s = ass.GetManifestResourceStream(r);

79                         var bts = new byte[s.Length];

80                         s.Read(bts, 0, (int)s.Length);

81                         var da = Assembly.Load(bts);

82                         //判断是否已经加载

83                         if (LoadedDlls.ContainsKey(da.FullName))

84                         {

85                             continue;

86                         }

87                         LoadedDlls[da.FullName] = da;

88                     }

89                     catch (Exception ex)

90                     {

91                         MessageBox.Show("error:加载dll失败\n位置：RegistDLL()！\n描述：" + ex.Message);

92                     }

93                 }

94             }

95         }

96     }

97 }

LoadResoureDll.RegistDLL();