#pragma once

#include <windows.h>
#include <ocidl.h>
#include <ole2.h>

#include <functional>
#include <string>

using SinkHandler = std::function<void(const std::wstring& name, DISPPARAMS* arguments)>;

// The events interface the control declares as its default source. Its type
// info is where the event names come from.
ITypeInfo* sourceTypeInfo(IDispatch* control, IID* source);

// A sink that turns a dispid into the event name before handing the call on, so
// the caller works in names rather than in numbers the OCX is free to renumber.
IDispatch* createEventSink(ITypeInfo* events, REFIID source, SinkHandler handler);