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// Create a new workbook

VARIANT result;

VariantInit(&result);

DISPPARAMS noArgs = { NULL, NULL, 0, 0 };

hr = pXlApp->Invoke(DISPID_APPLICATION_WORKBOOKS, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYGET, &noArgs, &result, NULL, NULL);

if (FAILED(hr)) {

printf("Failed to get Workbooks collection.n");

pXlApp->Release();

CoUninitialize();

return 1;

}

IDispatch* pWorkbooks = result.pdispVal;

hr = pWorkbooks->Invoke(DISPID_WORKBOOKS_ADD, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, &noArgs, &result, NULL, NULL);

if (FAILED(hr)) {

printf("Failed to add new workbook.n");

pWorkbooks->Release();

pXlApp->Release();

CoUninitialize();

return 1;

}

IDispatch* pWorkbook = result.pdispVal;

// Get the first worksheet

DISPPARAMS indexArg;

VARIANT index;

index.vt = VT_I4;

index.lVal = 1;

indexArg.rgvarg = &index;

indexArg.cArgs = 1;

indexArg.cNamedArgs = 0;

hr = pWorkbook->Invoke(DISPID_WORKBOOK_SHEETS, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYGET, &indexArg, &result, NULL, NULL);

if (FAILED(hr)) {

printf("Failed to get Sheets collection.n");

pWorkbook->Release();

pWorkbooks->Release();

pXlApp->Release();

CoUninitialize();

return 1;

}

IDispatch* pSheets = result.pdispVal;

hr = pSheets->Invoke(DISPID_SHEETS_ITEM, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYGET, &indexArg, &result, NULL, NULL);

if (FAILED(hr)) {

printf("Failed to get first sheet.n");

pSheets->Release();

pWorkbook->Release();

pWorkbooks->Release();

pXlApp->Release();

CoUninitialize();

return 1;

}

IDispatch* pSheet = result.pdispVal;

// Your code here to manipulate the sheet

pSheet->Release();

pSheets->Release();

pWorkbook->Release();

pWorkbooks->Release();

pXlApp->Release();

CoUninitialize();

return 0;