private void loadFromFile(string fileName)
{
if (!File.Exists(fileName))
{
return;
}
FileStream fstream = File.OpenRead(fileName);
BinaryReader reader = new BinaryReader(fstream);
int cnt = reader.ReadInt32();
for (int i = 0; i < cnt; i++)
{
string symbol = reader.ReadString();
int stockCount = reader.ReadInt32();
int buyPrice = reader.ReadInt32();
PortfolioItem item = new PortfolioItem()
{
Symbol = symbol,
Amount = stockCount,
BuyPrice = buyPrice,
};
list.Add(item);
}
reader.Close();
fstream.Close();
}
void f_OnItemAdded(PortfolioItem item)
{
this.listView.ItemsSource = null;
this.listView.ItemsSource = f.PortfolioList;
this.txtItemTotal.Text = "共有股票条数:" + f.PortfolioList.Count;
}
//price is *100
internal PortfolioItem add(string symbol, int price, int stockCount, out bool successed)
{
bool hasSymbol = list.Exists(p => p.Symbol == symbol);
if (hasSymbol)
{
successed = false;
return list.Find(p => p.Symbol == symbol);
}
successed = true;
PortfolioItem item = new PortfolioItem()
{
Symbol = symbol,
Amount = stockCount,
BuyPrice = price,
};
list.Add(item);
saveToFile();
if (OnItemAdded != null)
{
OnItemAdded(item);
}
return item;
}
