using System;
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using System.IO;
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using System.Reflection;
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namespace PdmSwPlugin.Common
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{
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public class RemoteLoader : MarshalByRefObject
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{
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private Assembly _assembly;
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public void LoadAssembly(string assemblyFile)
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{
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_assembly = Assembly.LoadFrom(assemblyFile);
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}
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public dynamic GetInstance(string typeName)
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{
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if (_assembly == null) return null;
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var type = _assembly.GetType(typeName);
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var obj = Activator.CreateInstance(type);
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return obj;
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}
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public object ExecuteMothod(string typeName, string methodName, object[] parameters)
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{
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if (_assembly == null) return null;
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var type = _assembly.GetType(typeName);
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var obj = Activator.CreateInstance(type);
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// return obj;
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MethodInfo method = type.GetMethod(methodName);
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return method.Invoke(obj, parameters);
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}
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}
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public class PluginLoader
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{
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public AppDomain appDomain { get; set; }
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public RemoteLoader remoteLoader { get; set; }
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public PluginLoader(string pluginName)
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{
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AppDomainSetup setup = new AppDomainSetup();
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setup.ApplicationName = "plugin_" + pluginName;
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setup.ApplicationBase = "C:\\Users\\cheng\\Documents\\Workspace\\PdmSwPlugin.MaterialSelect\\bin\\Debug";// "C:\\Users\\cheng\\Documents\\Workspace\\PdmSw\\bin\\x64\\Debug";
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setup.ConfigurationFile = "C:\\Users\\cheng\\Documents\\Workspace\\PdmSw\\bin\\x64\\Debug\\PdmSwPlugin.Main.dll.config";
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//"C:\\Users\\cheng\\Documents\\Workspace\\WpfUI\\bin\\x64\\Debug\\WpfUI.exe.config";
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setup.CachePath = setup.ApplicationBase;
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//setup.ShadowCopyFiles = "true";
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//setup.ShadowCopyDirectories = setup.ApplicationBase;
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setup.PrivateBinPath = "C:\\Users\\cheng\\Documents\\Workspace\\PdmSwPlugin.MaterialSelect\\bin\\Debug"; // AppDomain.CurrentDomain.BaseDirectory;
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// setup.DynamicBase = "C:\\Work\\dll\\dll"; // AppDomain.CurrentDomain.BaseDirectory;
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appDomain = AppDomain.CreateDomain("plugin_" + pluginName, null, setup);
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AppDomain.CurrentDomain.AssemblyResolve += new ResolveEventHandler(CurrentDomain_AssemblyResolve);
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string name = Assembly.GetAssembly(typeof(RemoteLoader)).GetName().FullName;
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string className = typeof(RemoteLoader).FullName;
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object sb = appDomain.CreateInstanceAndUnwrap(name, className);
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remoteLoader = (RemoteLoader)sb;
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//appDomain.Load("C:\\Users\\cheng\\Documents\\Workspace\\PdmSwPlugin.MaterialSelect\\bin\\Debug\\PdmSwPlugin.MaterialSelect.dll");
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remoteLoader.LoadAssembly("C:\\Users\\cheng\\Documents\\Workspace\\PdmSwPlugin.MaterialSelect\\bin\\Debug\\PdmSwPlugin.MaterialSelect.dll");
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}
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public Assembly CurrentDomain_AssemblyResolve(object sender, ResolveEventArgs args)
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{
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try
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{
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Assembly assembly = System.Reflection.Assembly.Load(args.Name);
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if (assembly != null) return assembly;
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}
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catch
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{ // ignore load error
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}
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// *** Try to load by filename - split out the filename of the full assembly name
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// *** and append the base path of the original assembly (ie. look in the same dir)
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// *** NOTE: this doesn't account for special search paths but then that never
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// worked before either.
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string[] Parts = args.Name.Split(',');
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string File = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + "\\" + Parts[0].Trim() + ".dll";
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return System.Reflection.Assembly.LoadFrom(File);
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}
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/// <summary>
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/// 加载程序集
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/// </summary>
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/// <param name="assemblyFile"></param>
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public void LoadAssembly(string assemblyFile)
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{
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remoteLoader.LoadAssembly(assemblyFile);
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}
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/// <summary>
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/// 创建对象实例
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="typeName"></param>
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/// <returns></returns>
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public dynamic GetInstance(string typeName)
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{
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if (remoteLoader == null) return null;
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return remoteLoader.GetInstance(typeName);
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}
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/// <summary>
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/// 执行类型方法
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/// </summary>
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/// <param name="typeName"></param>
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/// <param name="methodName"></param>
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/// <returns></returns>
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public object ExecuteMothod(string typeName, string methodName, object[] parameters)
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{
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return remoteLoader.ExecuteMothod(typeName, methodName, parameters);
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}
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/// <summary>
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/// 卸载应用程序域
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/// </summary>
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public void Unload()
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{
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try
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{
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if (appDomain == null) return;
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AppDomain.Unload(appDomain);
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appDomain = null;
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remoteLoader = null;
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}
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catch (CannotUnloadAppDomainException ex)
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{
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throw ex;
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}
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}
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public Assembly[] GetAssemblies()
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{
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AppDomain a = this.appDomain;
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return a.GetAssemblies();
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}
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}
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}
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