public DiaSessionWrapper(string assemblyFilename)
{
session = new DiaSession(assemblyFilename);
var assemblyFileName = typeof(DiaSessionWrapperHelper).Assembly.GetLocalCodeBase();
appDomainManager = new AppDomainManager_AppDomain(assemblyFileName, null, true, null);
helper = appDomainManager.CreateObject <DiaSessionWrapperHelper>(typeof(DiaSessionWrapperHelper).Assembly.GetName(), typeof(DiaSessionWrapperHelper).FullName, assemblyFilename);
}