Joins a set of strings, using a specified character (by default, a colon) as separator.
std::tstring Join( const std::vector<std::tstring>& parts );
A vector of strings. Each of these will be concatenated, separated by the separator character specified to the constructor (by default, a colon). None of the part strings should contain the separator character.
Returns a single string containing the concatenated parts, separated by the separator character specified in the constructor.