/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonCreateSession_Click(object sender, EventArgs e)
{
if (symbolSelectControl.SelectedSymbols.Count == 0)
{
MessageBox.Show("No symbol selected.");
return;
}
ComponentId?orderExecuteId = null;
int compatibility = 0;
if ((radioButtonSimulationTrading.Checked || radioButtonLiveTrading.Checked) &&
comboBoxOrderExecutionSources.SelectedIndex < _orderExecutionSourcesIds.Count)
{
orderExecuteId = _orderExecutionSourcesIds[comboBoxOrderExecutionSources.SelectedIndex];
compatibility = _orderExecutionSourcesCompatibilities[comboBoxOrderExecutionSources.SelectedIndex];
}
string operationResultMessage;
DataSessionInfo?sessionInfo = Host.GetSymbolDataSessionInfo(symbolSelectControl.SelectedDataSourceId.Value,
symbolSelectControl.SelectedSymbols[0]);
if (sessionInfo.HasValue == false)
{
MessageBox.Show("Failed to initiate session for this symbol.");
return;
}
if (_host.GetExpertSession(sessionInfo.Value) != null)
{
MessageBox.Show("Session for this symbol/source already exists.");
return;
}
if (compatibility < 100 && radioButtonLiveTrading.Checked)
{
if (MessageBox.Show("You are creating a live session with order execution provider [" + orderExecuteId.Value.Name + "], that has low compatilibity level with selected data source. It is likely this is not the default order execution provider for this data source." + Environment.NewLine + Environment.NewLine + "Do you wish to continue?", "Warning", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) != DialogResult.Yes)
{
return;
}
}
PlatformExpertSession session = _host.CreateExpertSession(sessionInfo.Value, symbolSelectControl.SelectedDataSourceId.Value,
orderExecuteId, radioButtonSimulationTrading.Checked, out operationResultMessage);
if (session == null || _host.RegisterExpertSession(session) == false)
{
MessageBox.Show("Failed to create session [" + operationResultMessage + "].", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
// TODO: add support for tick dataDelivery.
TimeSpan period = TimeSpan.FromHours(1);
if (symbolSelectControl.SelectedPeriod.HasValue)
{
period = symbolSelectControl.SelectedPeriod.Value;
}
else
{
if (GeneralHelper.EnumerableContains <TimeSpan>(session.DataProvider.AvailableDataBarProviderPeriods, period) == false)
{// We can not use 1hour because it is not available.
if (session.DataProvider.AvailableDataBarProviderPeriods.Length > 0)
{
period = session.DataProvider.AvailableDataBarProviderPeriods[0];
}
else
{
SystemMonitor.OperationWarning("Failed to establish period for session, going for default (1 hour) although not marked as available.");
}
}
}
if (session.DataProvider.ObtainDataBarProvider(period) == false)
{
SystemMonitor.OperationError("Failed to obtain data bar provide for period [" + period.ToString() + "].");
}
if (SessionCreatedEvent != null)
{
SessionCreatedEvent();
}
}
this.Hide();
}
