c# 用代码来设置程序的PrivatePath
有时候我们想让程序的exe文件和dll文件分开在不同目录,这时候可以有3种方法
1.在app.config中配置
<runtime> <gcConcurrent enabled="true" /> <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1"> <publisherPolicy apply="yes" /> <probing privatePath="32;64" /> </assemblyBinding> </runtime>
2. AppDomain.CurrentDomain.AppendPrivatePath来设置
3.new AppDomainSetup().PrivateBinPath 来设置
if (AppDomain.CurrentDomain.IsDefaultAppDomain()) { string appName = AppDomain.CurrentDomain.FriendlyName; var currentAssembly = Assembly.GetExecutingAssembly(); AppDomainSetup setup = new AppDomainSetup(); setup.ApplicationBase = System.Environment.CurrentDirectory; setup.PrivateBinPath = "Libs"; setup.ConfigurationFile = setup.ApplicationBase + string.Format("\Config\{0}.config", appName); AppDomain newDomain = AppDomain.CreateDomain("NewAppDomain", null, setup); int ret = newDomain.ExecuteAssemblyByName(currentAssembly.FullName, e.Args); AppDomain.Unload(newDomain); Environment.ExitCode = ret; Environment.Exit(0); return; }
可有时候又不想把他放在config文件上,只想用代码来实现,第二中方法发现已经过期,第三种方法MSDN语焉不详的,网上也没有什么资料,目前就用第四种方法
4.AppDomain有个AssemblyResolve事件,加载dll失败的时候触发,可以在这个事件里面处理
AppDomain.CurrentDomain.AssemblyResolve += CurrentDomain_AssemblyResolve;
/// <summary> /// 对外解析dll失败时调用 /// </summary> /// <param name="sender"></param> /// <param name="args"></param> /// <returns></returns> static System.Reflection.Assembly CurrentDomain_AssemblyResolve(object sender, ResolveEventArgs args) { string path = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"Libs"); path = System.IO.Path.Combine(path, args.Name.Split(",")[0]); path = String.Format(@"{0}.dll", path); return System.Reflection.Assembly.LoadFrom(path); }
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