Старый стандарт

std::map<AnsiString, AnsiString> vContainer;
map<AnsiString, AnsiString>::iterator vIterator;
for (vIterator= VContainer.begin(); vIterator != VContainer.end(); vIterator++)
/../

Стандарт С++17

std::map<AnsiString, AnsiString> vContainer;
for (auto const& [key, val] : vContainer)
   std::cout << key << ':' << val << std::endl;