如何为 .NET 应用程序域重新加载程序集? [英] How to reload an assembly for a .NET Application Domain?

问题描述

我们正在加载一个程序集(一个 DLL)，它读取一个配置文件.我们需要更改配置文件，然后重新加载程序集.我们看到第二次加载程序集后，配置没有变化.有人看到这里有什么问题吗?我们在配置文件中省略了读取的细节.

We are loading an assembly (a DLL) which reads a configuration file. We need to change the configuration file and then re-load the assembly. We see that after loading the assembly the 2nd time, there is no change in the configuration. Anyone see what is wrong here? We left out the details of reading in the configuration file.

AppDomain subDomain;
string assemblyName = "mycli";
string DomainName = "subdomain"; 
Type myType;
Object myObject;

// Load Application domain + Assembly
subDomain = AppDomain.CreateDomain( DomainName,
                                    null,
                                    AppDomain.CurrentDomain.BaseDirectory,
                                    "",
                                    false);

myType = myAssembly.GetType(assemblyName + ".mycli");
myObject = myAssembly.CreateInstance(assemblyName + ".mycli", false, BindingFlags.CreateInstance, null, Params, null, null);

// Invoke Assembly
object[] Params = new object[1];
Params[0] = value;
myType.InvokeMember("myMethod", BindingFlags.InvokeMethod, null, myObject, Params);

// unload Application Domain
AppDomain.Unload(subDomain);

// Modify configuration file: when the assembly loads, this configuration file is read in

// ReLoad Application domain + Assembly
// we should now see the changes made in the configuration file mentioned above

推荐答案

请查看以下 2 个链接以获得答案:

Please see the following 2 links for an answer:

• Jon Shemitz 的动态插件
• 使用 AppDomainSteve 加载和卸载动态程序集霍尔斯塔

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