I just had a look at the Spark website, looks like they give examples in C# as well as C
Your stepson will love the power of playing with an API, especially if he gets to design his own client to suit your needs.
static void Main(string[] args)
{
Spark.Stock stock = new Spark.Stock();
Spark.Init();
Spark.SetLogin("username", "password");
Spark.Connect();
foreach (Spark.Trade trade in Spark.Trades("BHP", "ASX"))
{
System.Console.WriteLine("{0:s} {1,7} {2,9}",
Spark.TimeToDateTime(trade.Time),
trade.Price,
trade.Volume);
}
Spark.Disconnect();
Spark.Exit();
}
https://iguana2.com/spark-api
I have no affiliation with these guys, not even as a client.
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