Use AppDomain to load/unload external assemblies

Question

My scenario is as follows:

• Create new AppDomain
• Load some assemblies into it
• Do some magic with loaded dlls
• Unload AppDomain to rele

Answer 1

Answering my own question - don't know if there's better way to do it on StackOverflow... If there is, I'd be grateful for instructions... Anyway, digging through internet I found another solution, which I hope is better. Code below, if anyone finds any weak points - please respond.

class Program
{
    static void Main(string[] args)
    {
        Console.ReadLine();
        for(int i=0;i<10;i++)
        {
            AppDomain appDomain = AppDomain.CreateDomain("MyTemp");
            appDomain.DoCallBack(loadAssembly);
            appDomain.DomainUnload += appDomain_DomainUnload;

            AppDomain.Unload(appDomain);        
        }

        AppDomain appDomain2 = AppDomain.CreateDomain("MyTemp2");
        appDomain2.DoCallBack(loadAssembly);
        appDomain2.DomainUnload += appDomain_DomainUnload;

        AppDomain.Unload(appDomain2);

        GC.Collect();
        GC.WaitForPendingFinalizers();  
        Console.ReadLine();
    }

    private static void loadAssembly()
    {
        string fullPath = @"E:\tmp\sandbox\AppDomains\AppDomains1\AppDomains1\bin\Debug\BigLib.dll";
        var assembly = Assembly.LoadFrom(fullPath);
        var instance = Activator.CreateInstance(assembly.GetTypes()[0]);
        Console.WriteLine("Creating instance of {0}", instance.GetType());
        Thread.Sleep(2000);
        instance = null;
    }

    private static void appDomain_DomainUnload(object sender, EventArgs e)
    {
        AppDomain ap = sender as AppDomain;
        Console.WriteLine("Unloading {0} AppDomain", ap.FriendlyName);
    }
}