C# - How to load DLL in separate domain and use its methods?
Sometimes you may have a need to load a DLL in a separate domain to call its method at run-time. You can create a proxy class by referencing the following code snippet:
public class Loader : MarshalByRefObject
{
object CallInternal(string dll, string typename, string method, object[] parameters)
{
Assembly a = Assembly.LoadFile(dll);
object o = a.CreateInstance(typename);
Type t = o.GetType();
MethodInfo m = t.GetMethod(method);
return m.Invoke(o, parameters);
}
public static object Call(string dll, string typename, string method, params object[] parameters)
{
AppDomain dom = AppDomain.CreateDomain("MyNewDomain");
Loader ld = (Loader)dom.CreateInstanceAndUnwrap(Assembly.GetExecutingAssembly().FullName, typeof(Loader).FullName);
object result = ld.CallInternal(dll, typename, method, parameters);
AppDomain.Unload(dom);
return result;
}
}