Code:
IDispatch *pXlRange2;
{  
VARIANT result;
VariantInit(&result);
AutoWrap(DISPATCH_PROPERTYGET, &result, pXlSheet, L"UsedRange", 0);
pXlRange2 = result.pdispVal;
AutoWrap(DISPATCH_METHOD,&result,pXlRange2,L"PrintOut",0);
}