gistfile1.txt

public class SqlQueue : IQueue
{
    private SqlConnection _connection;

    public SqlQueue(SqlConnection connection)
    {
        if (connection == null) throw new ArgumentNullException("connection");
        _connection = connection;
    }

    public void SomeMethod()
    {
        _connection.Execute("some SQL);
    }
}


// SimleInjector

container.Register<SqlConnection>(() => new SqlConnection("connectionstring"));
container.Register<IQueue, SqlQueue>();