///////////////////////////////////////////////////////////////////////////
// _IButtonDemoEvents_CP.h : Implementation of CButtonDemo Event Invoker //
// ActiveX control provides a labeled button, publishing a click event   //
//                                                                       //
// Jim Fawcett, Demo for CSE775 - Distributed Objects, Spring 2005       //
///////////////////////////////////////////////////////////////////////////

#pragma once

template<class T>
class CProxy_IButtonDemoEvents :
  public IConnectionPointImpl<T, &__uuidof(_IButtonDemoEvents)>
{
public:
  HRESULT Fire_Clicked()
  {
    HRESULT hr = S_OK;
    T * pThis = static_cast<T *>(this);
    int cConnections = m_vec.GetSize();

    for (int iConnection = 0; iConnection < cConnections; iConnection++)
    {
      pThis->Lock();
      CComPtr<IUnknown> punkConnection = m_vec.GetAt(iConnection);
      pThis->Unlock();

      IDispatch * pConnection = static_cast<IDispatch *>(punkConnection.p);

      if (pConnection)
      {
        CComVariant varResult;

        DISPPARAMS params = { NULL, NULL, 0, 0 };
        hr = pConnection->Invoke(1, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, &params, &varResult, NULL, NULL);
      }
    }
    return hr;
  }
};