251024

SLC1-N/dllCall.cs

@@ -0,0 +1,95 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Reflection;
+using System.Text.RegularExpressions;
+using System.Windows.Forms;
+
+namespace SLC1_N
+{
+    internal class dllCall
+    {
+        /// <summary> 已加载DLL
+        /// </summary>
+        private static Dictionary<string, Assembly> LoadedDlls = new Dictionary<string, Assembly>();
+        /// <summary> 已处理程序集
+        /// </summary>
+        private static Dictionary<string, object> Assemblies = new Dictionary<string, object>();
+        /// <summary> 在对程序集解释失败时触发
+        /// </summary>
+        /// <param name="sender">AppDomain</param>
+        /// <param name="args">事件参数</param>
+        private static Assembly AssemblyResolve(object sender, ResolveEventArgs args)
+        {
+            try
+            {
+                //程序集
+                Assembly ass;
+                //获取加载失败的程序集的全名
+                var assName = new AssemblyName(args.Name).FullName;
+                //判断Dlls集合中是否有已加载的同名程序集
+                if (LoadedDlls.TryGetValue(assName, out ass) && ass != null)
+                {
+                    LoadedDlls[assName] = null;//如果有则置空并返回
+                    return ass;
+                }
+                else
+                {
+                    return ass;//dev的dll 这里有问题，可以绕过
+                    throw new DllNotFoundException(assName);//否则抛出加载失败的异常
+                }
+            }
+            catch (System.Exception ex)
+            {
+                MessageBox.Show("error1:\n位置：AssemblyResolve()！\n描述：" + ex.Message);
+                return null;
+            }
+        }
+
+        /// <summary> 注册资源中的dll
+        /// </summary>
+        /// <param name="pattern">*表示连续的未知字符,_表示单个未知字符,如*.dll</param>
+        public static void RegistDLL(string pattern = "*.dll")
+        {
+            System.IO.Directory.GetFiles("", "");
+            //获取调用者的程序集
+            var ass = new StackTrace(0).GetFrame(1).GetMethod().Module.Assembly;
+            //判断程序集是否已经处理
+            if (Assemblies.ContainsKey(ass.FullName))
+            {
+                return;
+            }
+            //程序集加入已处理集合
+            Assemblies.Add(ass.FullName, null);
+            //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)
+            AppDomain.CurrentDomain.AssemblyResolve += AssemblyResolve;
+            //获取所有资源文件文件名
+            var res = ass.GetManifestResourceNames();
+            var regex = new Regex("^" + pattern.Replace(".", "\\.").Replace("*", ".*").Replace("_", ".") + "$", RegexOptions.IgnoreCase);
+            foreach (var r in res)
+            {
+                //如果是dll,则加载
+                if (regex.IsMatch(r))
+                {
+                    try
+                    {
+                        var s = ass.GetManifestResourceStream(r);
+                        var bts = new byte[s.Length];
+                        s.Read(bts, 0, (int)s.Length);
+                        var da = Assembly.Load(bts);
+                        //判断是否已经加载
+                        if (LoadedDlls.ContainsKey(da.FullName))
+                        {
+                            continue;
+                        }
+                        LoadedDlls[da.FullName] = da;
+                    }
+                    catch (Exception ex)
+                    {
+                        MessageBox.Show("error2:加载dll失败\n位置：RegistDLL()！\n描述：" + ex.Message);
+                    }
+                }
+            }
+        }
+    }
+}