Thread: loading assemble into AppDomain

  1. #1
    Registered User
    Join Date
    Jan 2007

    loading assemble into AppDomain

    I used to have this code which loads an assembly:

    Assembly assembly = Assembly.LoadFrom(assemblyName);
    It works fine but now I need to load it into a separate AppDomain.

    AppDomain actionsDomain = AppDomain.CreateDomain("Action");
    Assembly assembly = actionsDomain.Load(assemblyName);
    But I cant get this to work. I've tried the assemblyResolve event, full paths to the assembly and what not. Every time an exception is thrown that the dll or one of its dependencies cant be found.

    Anyone know what to do?

  2. #2
    the hat of redundancy hat nvoigt's Avatar
    Join Date
    Aug 2001
    Hannover, Germany
    Maybe your current AppDomain has other assemblies "assemblyName" depends upon already loaded? Did you reference any assemblies in your current app domain that aren't automatically loaded on new Appdomain creation?

    She was so Blonde, she spent 20 minutes looking at the orange juice can because it said "Concentrate."

    When in doubt, read the FAQ.
    Then ask a smart question.

  3. #3
    Registered User
    Join Date
    Jan 2007
    Got working with AppDomain.DoCallback which executes the code in the new AppDomain and doesnt load the assembly in the main AppDomain

    AppDomainSetup setup = new AppDomainSetup();
    setup.ApplicationBase = AppDomain.CurrentDomain.BaseDirectory;
    AppDomain ad = AppDomain.CreateDomain("test", null, setup);
            private static void LoaderCallback()
                Assembly ass = Assembly.Load("DllTest");
                object o = ass.CreateInstance("DllTest.Testing");
                Type t = o.GetType();
                PropertyInfo pi = t.GetProperty("Test");
                if (pi != null)
                    Console.WriteLine((string)pi.GetValue(o, null));

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