struct StoreProcIO
{
    StoreProcIO( )
        : _id( 0 ) , _output( 0 )
    {
    }

    std::string _name;
    int _id;
    int _output;
};

struct StoreProceBoundIO
{
    void operator()( dtl::BoundIOs &boundIOs, StoreProcIO &io )
    {
        int i = 0;
        boundIOs[i] << io._id;      //(in)
        boundIOs[++i] << io._name;  //(in)
        boundIOs[++i] == io._output;   //(in/out)
    }
};

void init()
{
   dtl::DBView<StoreProcIO> storeProc( "{call myStoreProc( ?, ?, ? )}",  StoreProceBoundIO() );

   dtl::DBView<StoreProcIO>::sql_iterator sqlIter( storeProc );

   StoreProcIO bindIO( storeProc.GetDataObj() );
   bindIO._id      = 123;
   bindIO._name    = "Test";
   bindIO._output  = -1;

   *sqlIter = bindIO;      //execute the store procedure
   sqlIter.MoreResults();

   bindIO = *sqlIter;      //get output parameters
}