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 = 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);
}
}
}
}