在这里做个代码备注 防止下次忘记。。。
using System;using System.Collections.Generic;using System.IO;using System.Linq;using System.Reflection;using System.Windows;using System.Windows.Controls;using System.Windows.Forms;using MessageBox = System.Windows.MessageBox;namespace PLUGIN.SYSTEMFRAMEWORK.PLUGINS{    class PluginHelper    {        /// <summary>        /// 模块之间 委托事件 通信        /// </summary>        /// <param name="parentWindow">父Window</param>        /// <param name="reflectioneventName">要反射模块中的 委托事件名称</param>        /// <param name="currentEventName">在当前类中要执行的事件名称</param>        /// <param name="filePath">反射文件的路经</param>        /// <param name="plugin">插件模块信息</param>        /// <param name="eventParameter">[参数]通信的消息 List集合对象</param>        public static void ModulEventCommunication(Window parentWindow, string reflectioneventName,                                                    string currentEventName, string filePath, Plugin plugin,                                                    object[] eventParameter)        {            if (reflectioneventName == null)                throw new ArgumentNullException("reflectioneventName");            if (currentEventName == null)                throw new ArgumentNullException("currentEventName");            if (filePath == null)                throw new ArgumentNullException("filePath");            if (eventParameter == null)                throw new ArgumentNullException("eventParameter");            try            {                Assembly assembly = Assembly.LoadFrom(filePath + plugin.NameSpace + "." + plugin.Exends);                Type[] type = assembly.GetTypes();                foreach (Type t in type)                {                    //主要是判断该窗口是否实现 IElementsView 如果没有实现 就不需要反射或者不是插件                     if (t.GetInterface("IElementsPlugin") != null && t.Name == plugin.ClassName)                    {                        //注：在这里要判断是否已经加载：                        if (AppData.LoadedPlugins.Contains(t.FullName))                        {                            return;                        }                        //反射执行的成员和类型搜索                        const BindingFlags myBindingFlags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static;                        EventInfo eventInfo = t.GetEvent(reflectioneventName, myBindingFlags);                        //获取到当前的类                        var obj = (IElementsPlugin)assembly.CreateInstance(t.FullName);                        if (eventInfo != null)                        {                            Type tDelegate = eventInfo.EventHandlerType;                            MethodInfo methodHandler = parentWindow.GetType().GetMethod(currentEventName, myBindingFlags);                            //创建委托                            Delegate d = Delegate.CreateDelegate(tDelegate, methodHandler);                            //获取将要处理的事件委托                            MethodInfo minAddHandler = eventInfo.GetAddMethod();                            object[] addHandlerArgs =                                {                                    d                                };                            //调用                            minAddHandler.Invoke(obj, addHandlerArgs);                            FieldInfo field = t.GetField(reflectioneventName,                                                        myBindingFlags);                            if (field != null)                            {                                Object fieldValue = http://www.mamicode.com/field.GetValue(obj);"尊敬的用户您好！没有找到相应的模块！", "插件提示！", MessageBoxButton.OK,                                  MessageBoxImage.Information);            }            catch (TargetParameterCountException)            {                MessageBox.Show("尊敬的用户您好！在调用模块时发现委托的参数不同！请检查参数的个数！", "插件提示!", MessageBoxButton.OK,                                MessageBoxImage.Information);            }            catch (Exception)            {                MessageBox.Show("尊敬的用户您好！系统发现版本与当前系统不匹配！", "插件提示！", MessageBoxButton.OK,                                MessageBoxImage.Information);            }        }        /// <summary>        /// 模块之间通信  事件委托         /// </summary>        /// <typeparam name="T">对象实体</typeparam>        /// <param name="parentWindow">父窗前</param>        /// <param name="reflectioneventName">要反射模块中的 委托事件名称</param>        /// <param name="currentEventName">在当前类中要执行的事件名称</param>        /// <param name="filePath">反射文件的路经</param>        /// <param name="plugin">插件模块信息</param>        /// <param name="list">[参数]通信的消息</param>        public static void ModuleEventCommunicationList<T>(Window parentWindow, string reflectioneventName,                                                    string currentEventName,                                                    string filePath, Plugin plugin, List<T> list)        {            if (reflectioneventName == null)                throw new ArgumentNullException("reflectioneventName");            if (currentEventName == null)                throw new ArgumentNullException("currentEventName");            if (filePath == null)                throw new ArgumentNullException("filePath");            if (!list.Any())                return;            try            {                Assembly assembly = Assembly.LoadFrom(filePath + plugin.NameSpace + "." + plugin.Exends);                Type[] type = assembly.GetTypes();                foreach (Type t in type)                {                    //主要是判断该窗口是否实现 IElementsView 如果没有实现 就不需要反射或者不是插件                     if (t.GetInterface("IElementsPlugin") != null && t.Name == plugin.ClassName)                    {                        //注：在这里要判断是否已经加载：                        if (AppData.LoadedPlugins.Contains(t.FullName))                        {                            return;                        }                        //反射执行的成员和类型搜索                        const BindingFlags myBindingFlags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static;                        EventInfo eventInfo = t.GetEvent(reflectioneventName, myBindingFlags);                        //获取到当前的类                        var obj = (IElementsPlugin)assembly.CreateInstance(t.FullName);                        if (eventInfo != null)                        {                            Type tDelegate = eventInfo.EventHandlerType;                            MethodInfo methodHandler = parentWindow.GetType().GetMethod(currentEventName, myBindingFlags);                            //创建委托                            Delegate d = Delegate.CreateDelegate(tDelegate, methodHandler);                            //获取将要处理的事件委托                            MethodInfo minAddHandler = eventInfo.GetAddMethod();                            object[] addHandlerArgs =                                {                                    d                                };                            //调用                            minAddHandler.Invoke(obj, addHandlerArgs);                            FieldInfo field = t.GetField(reflectioneventName,                                                        myBindingFlags);                            if (field != null)                            {                                Object fieldValue = http://www.mamicode.com/field.GetValue(obj);"尊敬的用户您好！没有找到相应的模块！", "插件提示！", MessageBoxButton.OK,                                  MessageBoxImage.Information);            }            catch (TargetParameterCountException)            {                MessageBox.Show("尊敬的用户您好！在调用模块时发现委托的参数不同！请检查参数的个数！", "插件提示!", MessageBoxButton.OK,                                MessageBoxImage.Information);            }            catch (Exception)            {                MessageBox.Show("尊敬的用户您好！系统发现版本与当前系统不匹配！", "插件提示！", MessageBoxButton.OK,                                MessageBoxImage.Information);            }        }        /// <summary>        ///  模块之间通信  事件委托         /// </summary>        /// <typeparam name="T">对象实体</typeparam>        /// <param name="pwindow">父窗前</param>        /// <param name="reflectionEventName">要反射模块中的 委托事件名称</param>        /// <param name="currentEventName">在当前类中要执行的事件名称</param>        /// <param name="filepath">反射文件的路经</param>        /// <param name="plugin">插件模块信息</param>        /// <param name="objEntity">通信的消息【Entity实体】</param>        public static void ModuleEventCommuncationObjcet<T>(Window pwindow, string reflectionEventName, string currentEventName, string filepath, Plugin plugin,            T objEntity)        {            if (reflectionEventName == null)                throw new ArgumentNullException("reflectionEventName");            if (currentEventName == null)                throw new ArgumentNullException("currentEventName");            if (filepath == null)                throw new ArgumentNullException("filepath");            if (objEntity == null)                throw new ArgumentNullException("objEntity");            try            {                Assembly assembly = Assembly.LoadFrom(filepath + plugin.NameSpace + "." + plugin.Exends);                Type[] type = assembly.GetTypes();                foreach (Type t in type)                {                    //主要是判断该窗口是否实现 IElementsView 如果没有实现 就不需要反射或者不是插件                     if (t.GetInterface("IElementsPlugin") != null && t.Name == plugin.ClassName)                    {                        //注：在这里要判断是否已经加载：                        if (AppData.LoadedPlugins.Contains(t.FullName))                        {                            return;                        }                        //反射执行的成员和类型搜索                        const BindingFlags myBindingFlags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static;                        EventInfo eventInfo = t.GetEvent(reflectionEventName, myBindingFlags);                        //获取到当前的类                        var obj = (IElementsPlugin)assembly.CreateInstance(t.FullName);                        if (eventInfo != null)                        {                            Type tDelegate = eventInfo.EventHandlerType;                            MethodInfo methodHandler = pwindow.GetType().GetMethod(currentEventName, myBindingFlags);                            //创建委托                            Delegate d = Delegate.CreateDelegate(tDelegate, methodHandler);                            //获取将要处理的事件委托                            MethodInfo minAddHandler = eventInfo.GetAddMethod();                            object[] addHandlerArgs =                                {                                    d                                };                            //调用                            minAddHandler.Invoke(obj, addHandlerArgs);                            FieldInfo field = t.GetField(reflectionEventName,                                                        myBindingFlags);                            if (field != null)                            {                                Object fieldValue = http://www.mamicode.com/field.GetValue(obj);"尊敬的用户您好！没有找到相应的模块！", "插件提示！", MessageBoxButton.OK,                                  MessageBoxImage.Information);            }            catch (TargetParameterCountException)            {                MessageBox.Show("尊敬的用户您好！在调用模块时发现委托的参数不同！请检查参数的个数！", "插件提示!", MessageBoxButton.OK,                                MessageBoxImage.Information);            }            catch (Exception)            {                MessageBox.Show("尊敬的用户您好！系统发现版本与当前系统不匹配！", "插件提示！", MessageBoxButton.OK,                                MessageBoxImage.Information);            }        }    }}