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 = field.GetValue(obj); if (fieldValue is Delegate) { var objectDelegate = fieldValue as Delegate; //动态调用 objectDelegate.DynamicInvoke(eventParameter); } } } if (obj != null) { obj.Show(AppData.CurrentMainWindow); //添加已经打开的窗口 :在关闭的时候 要删除此项 AppData.LoadedPlugins.Add(t.FullName); } } } } catch (FileNotFoundException) { MessageBox.Show("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 = field.GetValue(obj); if (fieldValue is Delegate) { var objectDelegate = fieldValue as Delegate; //动态调用 objectDelegate.DynamicInvoke(list); } } } if (obj != null) { obj.Show(AppData.CurrentMainWindow); //添加已经打开的窗口 :在关闭的时候 要删除此项 AppData.LoadedPlugins.Add(t.FullName); } } } } catch (FileNotFoundException) { MessageBox.Show("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 = field.GetValue(obj); if (fieldValue is Delegate) { var objectDelegate = fieldValue as Delegate; //动态调用 objectDelegate.DynamicInvoke(objEntity); } } } if (obj != null) { obj.Show(AppData.CurrentMainWindow); //添加已经打开的窗口 :在关闭的时候 要删除此项 AppData.LoadedPlugins.Add(t.FullName); } } } } catch (FileNotFoundException) { MessageBox.Show("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); } } } }