index.cpp

在vc环境下

// Index.cpp : Implementation of CGHIndex

#include "stdafx.h"
#include "Index.h"
#include ".\index.h"


// CGHIndex

//

STDMETHODIMP CGHIndex::Clone(IGHIndex** pVal)
{
	if(pVal==NULL)
		return E_POINTER;

	CComPtr<IGHIndex> cpIndex;
	HRESULT hr;
	hr=cpIndex.CoCreateInstance(CLSID_GHIndex);
	if(FAILED(hr))
		return hr;

	for (size_t i=0;i<m_vecInterface.size();i++) 
	{
		CComPtr<IGHClassify> cpClassify;
		hr=get_Item((LONG)i,&cpClassify);
		if(FAILED(hr))
			return hr;

		hr=cpIndex->Add(cpClassify);
		if(FAILED(hr))
			return hr;
	}

	cpIndex->put_Name(m_Name);
	cpIndex->put_Description(m_Description);

	return cpIndex.CopyTo(pVal);
	
}