public void DoEffectiveLine()
{
try
{
results = new List <Portfolio>(); //new List<double[]>();
if (start == 0)
{
start = step;
}
if (start > finish)
{
finish = 1;
}
results = ClassAssistant.DoListPortfolio(finalArray, selectedAssets, start, finish, step, constraints);
GraphPane gp = zGC.GraphPane;
gp.CurveList.Clear();
zGC.AxisChange();
zGC.Invalidate();
if (results.Count == 0)
{
MessageBox.Show("Решения для данных параметров не найдены", "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
zGC.IsShowPointValues = true;
double[] x = new double[results.Count];
double[] y = new double[results.Count];
int i = 0;
foreach (var a in results)
{
x[i] = a.Risk;
y[i] = a.Profit;
i++;
}
LineItem line = gp.AddCurve("Эффективная граница", x, y, Color.Red);
line.Symbol.Fill.Type = FillType.Solid;
CurveList cl = gp.CurveList;
zGC.AxisChange();
zGC.Invalidate();
double[] xSP = new double[1];
double[] ySP = new double[1];
xSP[0] = sp.Risk;
ySP[0] = sp.Profit;
LineItem lineSP = gp.AddCurve("ЕП", xSP, ySP, Color.Blue);
lineSP.Symbol.Fill.Type = FillType.Solid;
cl = gp.CurveList;
zGC.AxisChange();
zGC.Invalidate();
label_.Text = "Портфели: " + Convert.ToString(results.Count);
}
}
catch (FormatException)
{
MessageBox.Show("Неверный формат числа!", "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public async void DoList()
{
this.Cursor = Cursors.WaitCursor;
try
{
int j = 0;
comboBox_test.Items.Clear();
//ClassAssistant.DownloadAllAssets(selectedAssets, path, year, false);
await DownloadTask(selectedAssets, path, year);
finalArray = ClassAssistant.ReadData(selectedAssets, path);
double start = -0.02, finish = 1, step = 0.001;
results = ClassAssistant.DoListPortfolio(finalArray, selectedAssets, start, finish, step, constraints);
if (results.Count == 0)
{
MessageBox.Show("Решения не найдены", "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
this.Close();
}
else
{
j = 1;
foreach (var t in results)
{
comboBox_test.Items.Add(j + ": " + t.Profit.ToString() + "; " + t.Risk.ToString());
j++;
}
}
dataGridView.Cursor = Cursors.Default;
this.Cursor = Cursors.Default;
}
catch (System.IO.IOException ex)
{
string[] exception = ex.Message.Split(' ');
count++;
if (count == 3)
{
// DialogResult dr = MessageBox.Show("Нет данных для " + exception[exception.Length - 1] + ". Замените этот актив.", "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
DialogResult dr = MessageBox.Show(ex.Message, "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
count = 0;
if (dr == System.Windows.Forms.DialogResult.OK)
{
this.Close();
}
}
else
{
DoList();
}
}
catch (Exception ex)
{
string[] exception = ex.Message.Split(' ');
DialogResult dr = MessageBox.Show(ex.Message, "Ошибка!", MessageBoxButtons.RetryCancel, MessageBoxIcon.Error);
if (dr == System.Windows.Forms.DialogResult.Retry)
{
DoList(); //Form4_test_Load(sender, e);
}
// else this.Close();
}
}