private void Window_SizeChanged(object sender, SizeChangedEventArgs e)
{
if (AboutDialogWindow.IsVisible)
{
AboutDialogWindow.CenterDialogWindow();
}
if (BuySellDialogWindow.IsVisible)
{
BuySellDialogWindow.CenterDialogWindow();
}
}
internal void ShowBuySellDialog(StockTransactionViewModel transaction, bool isBuying = false)
{
BuySellDialogWindow.DataContext = transaction;
var content = BuySellDialogWindow.Content as BuySellDialogContent;
if (isBuying)
{
content.MaxSellableUnits = Int16.MaxValue;
}
else
{
content.MaxSellableUnits = transaction.StockPosition.Quantity;
}
content.StockTransactionCompleted -= ContentStockTransactionCompleted;
content.StockTransactionCompleted += new EventHandler <EventArgs>(ContentStockTransactionCompleted);
BuySellDialogWindow.Show();
}
void ContentStockTransactionCompleted(object sender, EventArgs e)
{
var stockTransaction = BuySellDialogWindow.DataContext as StockTransactionViewModel;
if (stockTransaction == null)
{
return;
}
if
(
stockTransaction.Quantity == 0 ||
stockTransaction.CurrentPricePerShare == 0
//prevent the user from selling more units than they currently have
|| (stockTransaction.TransactionType == TransactionType.Sell && stockTransaction.Quantity > stockTransaction.StockPosition.Quantity)
)
{
return;
}
var content = BuySellDialogWindow.Content as BuySellDialogContent;
if (content == null)
{
return;
}
if (stockTransaction.TransactionType == TransactionType.Buy)
{
this._vm.BuyStock(stockTransaction);
}
else
{
this._vm.SellStock(stockTransaction);
}
BuySellDialogWindow.Close();
}