private void StockPriceChanged(object sender, PriceChangedEventArgs e)
{
if (e.LastPrice == 0)
{
if (e.NewPrice > 0)
{
MessageBox.Show("Just increase!");
}
else if (e.NewPrice < 0)
{
MessageBox.Show("Just decrease!");
}
// Need decimal zero equal judegement.
else
{
MessageBox.Show("Just Zero!");
}
}
else if (((e.NewPrice - e.LastPrice) / e.LastPrice) > 0.1M)
{
MessageBox.Show("Alert, 10% stock price increase!");
}
}
protected virtual void OnPriceChanged(PriceChangedEventArgs e)
{
PriceChanged?.Invoke(this, e);
}