private void GenerateBogusData(object sender, ElapsedEventArgs args)
{
double newPrice;
double oldPrice;
Random rnd = new Random();
if (_allTransactions.Count > 0)
{
oldPrice = _executions.Last().Price;
if (rnd.NextDouble() >= 0.7)
{
newPrice = oldPrice - (rnd.NextDouble() * 0.5);
}
else
{
newPrice = oldPrice + (rnd.NextDouble() * 1.4);
}
}
else
{
newPrice = 100;
}
// Fake Executions
StockTransaction newTx = new StockTransaction()
{
Price = newPrice,
Symbol = "AAPL",
Quantity = rnd.Next(50) + 50,
TimeStamp = DateTime.Now,
TransactionType = TransactionType.Execution
};
_allTransactions.Add(newTx);
StockTransaction newTx2 = new StockTransaction()
{
Price = newPrice,
Symbol = "IBM",
TimeStamp = DateTime.Now,
Quantity = rnd.Next(50) + 50,
TransactionType = TransactionType.Execution
};
_allTransactions.Add(newTx2);
NotifyChanged("GraphExecutions"); // this is because the graph polyline is bound to a property, not knowing it's a collection
StockTransaction newBid = new StockTransaction()
{
Price = newPrice - (newPrice * 0.05),
TransactionType = TransactionType.Bid,
Quantity = rnd.Next(50) + 50,
TimeStamp = DateTime.Now,
Symbol = "AAPL"
};
_allTransactions.Add(newBid);
StockTransaction newAsk = new StockTransaction()
{
Price = newPrice + (newPrice * 0.05),
TransactionType = TransactionType.Ask,
TimeStamp = DateTime.Now,
Quantity = rnd.Next(50) + 50,
Symbol = "AAPL"
};
_allTransactions.Add(newAsk);
}