In general there are two ways of using this C++ CmdLine library:
First you may use the function CmdLine::GetSingleValue to retrieve one value for an option.
Second you may define your own function which will be called for each argument given for a certain option. Currently this is the only way to deal with multiple arguments for an option.
Error handling is done using exceptions: a CmdLineException is thrown in case of a command line usage error.