public ModelRoot()
{
_allTransactions = new ObservableCollection <StockTransaction>();
// Note that all of these queries are defined against an EMPTY
// source collection...
_bids = from tx in _allTransactions
where tx.TransactionType == TransactionType.Bid &&
tx.Symbol == "AAPL"
orderby tx.Price ascending
select tx;
_asks = from tx in _allTransactions
where tx.TransactionType == TransactionType.Ask &&
tx.Symbol == "AAPL"
orderby tx.Price descending
select tx;
_executions = from tx in _allTransactions
where tx.TransactionType == TransactionType.Execution &&
tx.Symbol == "AAPL"
orderby tx.Price descending
select tx;
_graphExecutions = from tx in _executions
where tx.TimeStamp >= DateTime.Now.AddMinutes(-5)
select tx;
_minPrice = _executions.ContinuousMin(tx => tx.Price,
newPrice => this.CurrentMin = newPrice);
_maxPrice = _executions.ContinuousMax(tx => tx.Price,
newPrice => this.CurrentMax = newPrice);
_vwap = _executions.ContinuousVwap(tx => tx.Price, tx => tx.Quantity,
newVwap => this.CurrentVwap = newVwap);
_simulationTimer = new Timer(1000);
_simulationTimer.Elapsed += GenerateBogusData;
_simulationTimer.Start();
}
public ModelRoot()
{
_allTransactions = new ObservableCollection<StockTransaction>();
// Note that all of these queries are defined against an EMPTY
// source collection...
_bids = from tx in _allTransactions
where tx.TransactionType == TransactionType.Bid &&
tx.Symbol == "AAPL"
orderby tx.Price ascending
select tx;
_asks = from tx in _allTransactions
where tx.TransactionType == TransactionType.Ask &&
tx.Symbol == "AAPL"
orderby tx.Price descending
select tx;
_executions = from tx in _allTransactions
where tx.TransactionType == TransactionType.Execution &&
tx.Symbol == "AAPL"
orderby tx.Price descending
select tx;
_graphExecutions = from tx in _executions
where tx.TimeStamp >= DateTime.Now.AddMinutes(-5)
select tx;
_minPrice = _executions.ContinuousMin(tx => tx.Price,
newPrice => this.CurrentMin = newPrice);
_maxPrice = _executions.ContinuousMax(tx => tx.Price,
newPrice => this.CurrentMax = newPrice);
_vwap = _executions.ContinuousVwap(tx => tx.Price, tx => tx.Quantity,
newVwap => this.CurrentVwap = newVwap);
_simulationTimer = new Timer(1000);
_simulationTimer.Elapsed += GenerateBogusData;
_simulationTimer.Start();
}
