neg32.fs(66,21,66,27):typecheckerrorFS1091:Theevent'Event1' has a non-standard type. If this event is declared in another CLI language, you may need to access this event using the explicit add_Event1 and remove_Event1 methods for the event. If this event is declared in F#, make the type of the event an instantiation of either 'IDelegateEvent<_>' or 'IEvent<_,_>'.
neg32.fs(69,21,69,27):typecheckerrorFS1091:Theevent'Event1' has a non-standard type. If this event is declared in another CLI language, you may need to access this event using the explicit add_Event1 and remove_Event1 methods for the event. If this event is declared in F#, make the type of the event an instantiation of either 'IDelegateEvent<_>' or 'IEvent<_,_>'.