/// <summary>
 /// Invokes event locally without validation and with empty Sender and ClientData.
 /// </summary>
 internal void InvokeLocally <T1, T2, T3, T4, T5, T6, T7>(CallSite <T1, T2, T3, T4, T5, T6, T7> site, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5, T6 arg6, T7 arg7)
 {
     using (MyEventContext.Set(default(EndpointId), null, false))
     {
         site.Handler(arg1, arg2, arg3, arg4, arg5, arg6, arg7);
     }
 }