m_EventHandler = new EventHandler("Eplan.EplApi.OnPostOpenProject");
m_EventHandler.EplanEvent += delegate (IEventParameter parameter)
{
    new Decider().Decide(EnumDecisionType.eOkDecision, " Project " + new EventParameterString(parameter).String + " was open!", "OnPostOpenProject", EnumDecisionReturn.eOK, EnumDecisionReturn.eOK);
};