/// <summary>
///
/// </summary>
public bool RemovePosition(Position position)
{
lock (this)
{
if (_positions.Remove(position.Symbol))
{
position.UpdateEvent -= new UpdateDelegate(position_UpdateEvent);
return true;
}
}
return false;
}
void SetItemAsPosition(ListViewItem item, Position position)
{
if (item.SubItems[0].Text != position.Symbol.Name)
{
// Symbol
item.SubItems[0].Text = position.Symbol.Name;
}
string volume = position.Volume.ToString("### ### ##0.");
if (item.SubItems[1].Text != volume)
{
// Volume
item.SubItems[1].Text = volume;
}
string marketValue = GeneralHelper.ToString(position.Info.MarketValue, "### ### ##0.");
if (item.SubItems[2].Text != marketValue)
{
// Mkt Value
item.SubItems[2].Text = marketValue;
}
string pending = GeneralHelper.ToString(position.Info.PendingBuyVolume);
if (item.SubItems[2].Text != pending)
{
// Pending
item.SubItems[3].Text = pending;
}
string basePrice = GeneralHelper.ToString(position.BasePrice);
if (item.SubItems[4].Text != basePrice)
{
// Base Price
item.SubItems[4].Text = basePrice;
}
if (item.SubItems[5].Text != GeneralHelper.ToString(position.Result))
{
// Open Result
item.SubItems[5].Text = GeneralHelper.ToString(position.Result);
}
if (item.SubItems[6].Text != GeneralHelper.ToString(position.Info.ClosedResult))
{
// Closed Result
item.SubItems[6].Text = GeneralHelper.ToString(position.Info.ClosedResult);
}
if (item.SubItems[7].Text != GeneralHelper.ToString(position.Price))
{
// Current Price
item.SubItems[7].Text = GeneralHelper.ToString(position.Price);
}
if (item.Tag != position)
{
item.Tag = position;
}
}
/// <summary>
///
/// </summary>
public bool AddPosition(Position position)
{
if (position.Symbol.IsEmpty || string.IsNullOrEmpty(position.Symbol.Name))
{
SystemMonitor.Warning("Added a position with empty symbol.");
return false;
}
lock (this)
{
if (_positions.ContainsKey(position.Symbol))
{
SystemMonitor.Warning("Added a position, but symbol already has a position.");
return false;
}
_positions.Add(position.Symbol, position);
}
position.UpdateEvent += new UpdateDelegate(position_UpdateEvent);
if (PositionsAddedEvent != null)
{
if (_provider == null || _provider.DefaultAccount == null)
{
SystemMonitor.Error("Provider or account not yet assigned, position add event not launched.");
}
else
{
PositionsAddedEvent(this, _provider.DefaultAccount.Info, new Position[] { position });
}
}
return true;
}
void _subItem_OperationalStatusChangedEvent(IOperational subItem, OperationalStateEnum previousState)
{
if (_sessionDataProvider != null && _sessionDataProvider.OperationalState == OperationalStateEnum.Operational
&& (_orderExecutionProvider == null || _orderExecutionProvider.OperationalState == OperationalStateEnum.Operational))
{
if (_orderExecutionProvider != null && _orderExecutionProvider.TradeEntities != null)
{
// Create the default position for this session.
_position = _orderExecutionProvider.TradeEntities.ObtainPositionBySymbol(_sessionInfo.Symbol);
}
ChangeOperationalState(OperationalStateEnum.Operational);
}
else
{
ChangeOperationalState(OperationalStateEnum.NotOperational);
}
}