public object InPlaceAdd(object func)
{
ComEventSink comEventSink = ComEventSink.FromRuntimeCallableWrapper(_rcw, _sourceIid, true);
comEventSink.AddHandler(_dispid, func);
return(this);
}
public object InPlaceSubtract(object func)
{
ComEventSink comEventSink = ComEventSink.FromRuntimeCallableWrapper(_rcw, _sourceIid, false);
if (comEventSink == null)
{
throw Error.RemovingUnregisteredEvent();
}
comEventSink.RemoveHandler(_dispid, func);
return(this);
}