#include "stdafx.h"
#include "epi.h"

using namespace std;

int main(int argc, TCHAR* argv[], TCHAR* envp[])
{
	if (argc < 4)
	{
		cout << "Syntax: example05.exe url name value" << endl;
		return 1;
	}

	LPCTSTR lpszUrl = argv[1];
	LPCTSTR lpszName = argv[2];
	LPCTSTR lpszValue = argv[3];

	::CoInitialize(NULL);

	IEvalid * pEvalid = NULL;
    HRESULT hr = CoCreateInstance(CLSID_Evalid, NULL, 
						CLSCTX_INPROC_SERVER, IID_IEvalid, (void**)&pEvalid);
	if (SUCCEEDED(hr))
	{
		pEvalid->InitLink(CComBSTR(lpszUrl));

		long numItems;
		if( SUCCEEDED(pEvalid->get_NumElements(0, NULL, &numItems)))
		{
			for (int i = 0; i < numItems; ++i)
			{
				CComBSTR bstrValue;
				pEvalid->get_ElementAttribute(0, i, CComBSTR(lpszName), NULL, &bstrValue);
				if (bstrValue == lpszValue)
				{
					cout << "Found element at index " << i << endl;
					break;
				}
			}
		}

		pEvalid->ExitNow();
		pEvalid->Release();
	}
	else
	if (hr == E_ACCESSDENIED)
		cout << "Missing a valid EPI license key!" << endl;
	else
		cout << "Unable to load EPI!" << endl;

	::CoUninitialize();

	return 0;
}