问将app.config文件重新定位到自定义路径

EN

// get the name of the assembly
string exeAssembly = Assembly.GetEntryAssembly().FullName;

// setup - there you put the path to the config file
AppDomainSetup setup = new AppDomainSetup();
setup.ApplicationBase = System.Environment.CurrentDirectory;
setup.ConfigurationFile = "<path to your config file>";

// create the app domain
AppDomain appDomain = AppDomain.CreateDomain("My AppDomain", null, setup);

// create proxy used to call the startup method 
YourStartupClass proxy = (YourStartupClass)appDomain.CreateInstanceAndUnwrap(
       exeAssembly, typeof(YourStartupClass).FullName);

// call the startup method - something like alternative main()
proxy.StartupMethod();

// in the end, unload the domain
AppDomain.Unload(appDomain);

AppDomain.CurrentDomain.SetData ("APP_CONFIG_FILE", "path to config file")

// open config
System.Configuration.Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);

// update appconfig file path
config.AppSettings.File = "C:\\dev\\App.config";

// Save the configuration file.
config.Save(ConfigurationSaveMode.Modified);

// Force a reload in memory of the changed section.
ConfigurationManager.RefreshSection("appSettings");

NameValueCollection settings = System.Configuration.ConfigurationManager.AppSettings;